Document:

<PAGE>   1
                                                                   EXHIBIT 10.16

                  SKYSTREAM CORPORATION AND HARRIS CORPORATION

                                 INTERNATIONAL
                 MARKETING, DISTRIBUTION AND SUPPORT AGREEMENT
<PAGE>   2

                                TABLE OF CONTENTS
<TABLE>
<CAPTION>
                                                                           Page
<S>   <C>                                                                  <C>
1.  DEFINITIONS.........................................................     1

      1.1    Acceptance.................................................     1
      1.2    Data Broadcast Solution....................................     1
      1.3    Dollars....................................................     1
      1.4    End-User...................................................     1
      1.5    Effective Date.............................................     1
      1.6    Exclusive Market...........................................     2
      1.7    Exclusive Products.........................................     2
      1.8    Intellectual Property Rights...............................     2
      1.9    Marketing Collateral.......................................     2
      1.10   Marks......................................................     2
      1.11   Non-Exclusive Products.....................................     2
      1.12   Parties....................................................     2
      1.13   Performance Criteria.......................................     2
      1.14   Products...................................................     2
      1.15   Purchase Order.............................................     2
      1.16   Reseller Products..........................................     2
      1.17   Software...................................................     2
      1.18   Source Code................................................     3

2.  DISTRIBUTION OF PRODUCTS............................................     3

      2.1    Reseller Appointment.......................................     3
      2.2    Grant of Exclusivity by SKYSTREAM..........................     3
      2.3    Grant of Exclusivity by HARRIS.............................     3
      2.4    Relabeling.................................................     3
      2.5    Documentation..............................................     4
      2.6    Marketing Collateral.......................................     4
      2.7    Quarterly Meetings.........................................     4
      2.8    Grant of License...........................................     4
      2.9    Limited Rights.............................................     4
      2.10   Future Products............................................     5

3.  SOFTWARE............................................................     5

      3.1    Authorization..............................................     5
      3.2    Limited Distribution.......................................     5
      3.3    End User Software License..................................     5
</TABLE>

                                      -ii-
<PAGE>   3

                               TABLE OF CONTENTS
                                  (continued)

<TABLE>
<CAPTION>
                                                                           Page
<S>   <C>                                                                  <C>
      3.4    License Only...............................................     6
      3.5    Proprietary Software.......................................     6

4.  TERMS AND CONDITIONS OF SALE........................................     6

      4.1    Applicability of Terms and Conditions of Sale..............     6
      4.2    Price......................................................     7
      4.3    [*]........................................................     7
      4.4    Payment Terms..............................................     7
      4.5    Forecast and Delivery Dates................................     8
      4.6    Packing....................................................     9
      4.7    Shipment & Acceptance......................................     9
      4.8    Changes and Cancellations..................................    10
      4.9    Limited Warranty...........................................    11
      4.10   Import/Export..............................................    12
      4.11   Restricted Use.............................................    12
      4.12   Spares available for 7 Years...............................    12
      4.13   Product Changes............................................    13
      4.14   Price Protection...........................................    13
      4.15   Service Agreements.........................................    14

5.  MAINTENANCE, SUPPORT, AND TRAINING..................................    14

      5.1    By HARRIS..................................................    14
      5.2    By SKYSTREAM...............................................    14

6.  CONFIDENTIALITY.....................................................    15

      6.1    Obligations................................................    15
      6.2    Exceptions.................................................    15
      6.3    Injunctive Relief..........................................    16
      6.4    Disclosure Warranty........................................    16
      6.5    Disclosure indemnification.................................    16

7.  INTELLECTUAL PROPERTY RIGHTS........................................    16

      7.1    Ownership..................................................    16
      7.2    Limited Use................................................    17
      7.3    Notices....................................................    17
      7.4    HARRIS' Duties.............................................    17
      7.5    Trademarks.................................................    17

8.  INFRINGEMENT INDEMNITY..............................................    17

      8.1    SKYSTREAM Indemnification and Defense......................    17
      8.2    SKYSTREAM limitations......................................    18
</TABLE>

* Certain information on this page has been omitted and filed
  separately with the Commission. Confidential treatment has
  been requested with respect to the omitted portions.

                                      -iii-

<PAGE>   4

                               TABLE OF CONTENTS
                                  (continued)

<TABLE>
<CAPTION>
                                                                           Page
<S>   <C>                                                                  <C>
      8.3    Entire Liability...........................................    18

9.  YEAR 2000 COMPLIANCE................................................    18

10. LIMITATIONS OF LIABILITY............................................    19

      10.1   Total Liability............................................    19
      10.2   Exclusion Of Damages.......................................    19
      10.3   No Warranty................................................    19

11. TERMINATION.........................................................    20

      11.1   Term.......................................................    20
      11.2   Events of Termination......................................    20
      11.3   Review of Exclusivity......................................    20
      11.4   Effect of Termination......................................    20
      11.5   Nonexclusive Remedy........................................    21
      11.6   Survival...................................................    21

12. GENERAL.............................................................    21

      12.1   Publicity..................................................    21
      12.2   Assignment.................................................    21
      12.3   Governing Law..............................................    21
      12.4   Severability...............................................    22
      12.5   Force Majeure..............................................    22
      12.6   Notices....................................................    22
      12.7   Independent Contractors....................................    22
      12.8   Waiver.....................................................    22
      12.9   Counterparts...............................................    22
      12.10  Entire Agreement...........................................    22

EXHIBIT A - END USER SOFTWARE LICENSE...................................    24
EXHIBIT B - PRODUCTS....................................................    26
EXHIBIT C - PERFORMANCE CRITERIA........................................    27
EXHIBIT D - SKYSUPPORT PLAN AND PRODUCT/SERVICE PRICING.................    28
EXHIBIT E - SPARE PARTS.................................................    35
EXHIBIT F - NON-EXCLUSIVE PRODUCTS......................................    36

</TABLE>

                                      -iv-

<PAGE>   5

                  SKYSTREAM CORPORATION and HARRIS CORPORATION

                                  INTERNATIONAL
                  MARKETING, DISTRIBUTION AND SUPPORT AGREEMENT

This Agreement, dated __________  __ 1999, is made between SKYSTREAM Corporation
("SKYSTREAM"), a California corporation doing business at 555 Clyde Avenue,
Suite B, Mountain View, California 94043 and HARRIS Corporation, a Delaware
Corporation, acting through its Broadcast System Division, doing business at
4770 Duke Drive, Suite 200, Cincinnati, OH 45040 (hereinafter referred to as
"HARRIS").

                                    RECITALS

A.    WHEREAS, SKYSTREAM sells those certain digital broadcast networking
      products listed in Exhibit B ("Products" as further defined below).

B.    WHEREAS, HARRIS is a major supplier of radio and television products,
      systems and services, and desires to distribute the SKYSTREAM Products.

THEREFORE, SKYSTREAM and HARRIS agree as follows:

      1.    DEFINITIONS.

            1.1   Acceptance. "Acceptance" shall mean SKYSTREAM's document that
acknowledges SKYSTREAM's acceptance of HARRIS' Purchase Order.

            1.2   Data Broadcast Solution. "Data Broadcast Solution" shall mean
any product or system that injects, encapsulates, or encrypts data into an
MPEG-2 transport stream.

            1.3   Dollars. "Dollars" means United States Dollars.

            1.4   End-User. "End-User" means a customer of HARRIS, who is
authorized by an end user software license agreement to use the Software on the
purchased Products for the End User's internal business purposes.

            1.5   Effective Date. "Effective Date" means the date first written
above.

<PAGE>   6

            1.6   Exclusive Market. "Exclusive Market" shall mean End-Users that
are television stations that broadcast a terrestrial ATSC (Advanced Television
Systems Committee) television signal.

            1.7   Exclusive-Products. "Exclusive Products" means all Products
that have been affixed with HARRIS trademarks or logos.

            1.8   Intellectual Property Rights. "Intellectual Property Rights"
means patent rights (including but not limited to rights in patent applications
or disclosures and rights of priority), copyright (including but not limited to
rights in audiovisual works and moral rights), trade secret rights, and any
other intellectual property rights recognized by the law of each applicable
jurisdiction.

            1.9   Marketing Collateral. "Marketing Collateral" includes
brochures, sales literature, advertising, trade shows, trade support, public
relations and promotions.

            1.10  Marks. "Marks" means SKYSTREAM's trademarks, trade names,
service marks, and/or service names.

            1.11  Non-Exclusive Products. "Non-Exclusive Products" means those
products, listed on Exhibit F, which may not become Exclusive Products.

            1.12  Parties. The "Parties" shall mean HARRIS and SKYSTREAM.

            1.13  Performance Criteria. "Performance Criteria" shall mean the
specific objectives listed in Exhibit C that HARRIS commits to achieving for
sustaining any exclusive arrangement with SKYSTREAM.

            1.14  Products. "Products" means the SKYSTREAM products listed in
Exhibit B, the Exclusive Products, and the Non-Exclusive Products listed in
Exhibit F, including accompanying Software and any additions and enhancements
provided for use with the units.

            1.15  Purchase Order. "Purchase Order" shall mean a HARRIS purchase
order that is submitted for acceptance by SKYSTREAM.

            1.16  Reseller Products. "Reseller Products" means the computer
software and/or hardware and related documentation that are distributed by
HARRIS in combination with the Products

            1.17  Software. "Software" shall mean each software program provided
by SKYSTREAM (including vendor software) in machine-readable, object, printed,
or interpreted form, including upgrades and documentation.

                                      -2-

<PAGE>   7

            1.18  Source Code. "Source Code" means software in human-readable
form, including programmers' comments, data files and structures, header and
includes files, macros, object libraries, programming tools not commercially
available, technical specifications, flowcharts and logic diagrams, schematics,
annotations and documentation reasonably required or necessary to enable an
independent third party programmer with reasonable programming skills to create,
operate, maintain, modify and improve the software without the help of any other
person.

      2.    DISTRIBUTION OF PRODUCTS

            2.1   Reseller Appointment. SKYSTREAM hereby appoints HARRIS as a
nonexclusive reseller of the Products to End-Users for End User's internal use,
provided, however, that the Non-Exclusive Products may not be resold as
Exclusive Products.

            2.2   Grant of Exclusivity by SKYSTREAM. SKYSTREAM further grants
HARRIS worldwide exclusive distribution rights of the Exclusive Products to
End-Users inside the Exclusive Market, subject, however, to SKYSTREAM's right to
sell during the term of this Agreement up to [*] Products per [*] period (the
"SKYSTREAM Exception"), beginning upon the effective date of this Agreement,
through other distribution channels, [*] to the Exclusive Market. This SKYSTREAM
Exception may be increased by a written consent, signed by HARRIS, which consent
HARRIS agrees shall not be unreasonably withheld. In the event of a failure by
HARRIS to consent to an increase in the SKYSTREAM Exception, SKYSTREAM may, at
its sole discretion, immediately terminate the Agreement. SKYSTREAM shall not
market or solicit sales of Products to End-Users in the Exclusive Market. On a
quarterly basis, SKYSTREAM shall notify HARRIS of the total number of Products
sold by SKYSTREAM to parties other than HARRIS pursuant to the SKYSTREAM
Exception.

            2.3   Grant of Exclusivity by HARRIS. HARRIS agrees not to sell
products other than the Products as HARRIS' Data Broadcast Solution to End-Users
in the Exclusive Market, subject, however, to HARRIS' right to sell during the
term of this Agreement up to [*] products in lieu of the Products per [*]
period (the "HARRIS Exception"), beginning upon the effective date of this
Agreement, as a Data Broadcast Solution to End-Users in the Exclusive Market.
This HARRIS Exception may be increased by a written consent, signed by
SKYSTREAM, which consent SKYSTREAM agrees shall not be unreasonably withheld. In
the event of a failure by SKYSTREAM to consent to an increase in the HARRIS
Exception, HARRIS may, at its sole discretion, immediately terminate the
Agreement. HARRIS agrees to market only the Products for Data Broadcast Solution
uses to End-Users in the Exclusive Market. On a quarterly basis, HARRIS shall
notify SKYSTREAM of the total number of products sold by HARRIS in lieu of the
Products pursuant to the HARRIS Exception.

            2.4   Relabeling. Except for those Products designated Non-Exclusive
Products, SKYSTREAM shall allow HARRIS to brand the Products with HARRIS' logo
and trademarks.

* Certain information on this page has been omitted and filed
  separately with the Commission. Confidential treatment has
  been requested with respect to the omitted portions.

                                      -3-
<PAGE>   8

SKYSTREAM will be responsible for affixing the HARRIS logo and trademark during
the manufacturing process pursuant to HARRIS guidelines and instructions and may
pass on any additional costs, if any, associated with adhering to Harris'
guidelines. SKYSTREAM shall also label such Product packages with HARRIS' logo
and markings and may pass on any additional costs, if any, associated with
adhering to Harris' guidelines.

            2.5   Documentation. SKYSTREAM will make available SKYSTREAM's End
User documentation to HARRIS, as it is updated and modified from time to time,
without additional charge. SKYSTREAM grants HARRIS a nonexclusive license during
the term of this Agreement to use, modify, reproduce, make derivative works of
and distribute SKYSTREAM's documentation for the Products to the End-User.
HARRIS will provide copies of such modifications to SKYSTREAM upon SKYSTREAM's
request.

            2.6   Marketing Collateral.

                  (a)   HARRIS agrees to develop and pay for all Marketing
Collateral associated with the Exclusive Products. SKYSTREAM grants HARRIS a
nonexclusive license during the term of this Agreement to use, modify,
reproduce, make derivative works of and distribute SKYSTREAM's Marketing
Collateral for the Products; provided, however, that HARRIS will obtain prior
written approval from SKYSTREAM before use of any Marketing Collateral
concerning the Products. SKYSTREAM reserves all rights associated with such
Marketing Collateral subject to the license granted herein. SKYSTREAM will
provide commercially reasonable efforts to support HARRIS in the development of
Marketing Collateral supporting the Exclusive Products.

                  (b)   SKYSTREAM agrees to provide, at no additional charge,
sufficient Marketing Collateral, as requested, to HARRIS to support HARRIS'
non-exclusive reseller appointment pursuant to Section 2.1.

            2.7   Quarterly Meetings. SKYSTREAM and HARRIS agree to hold
quarterly meetings (i) to discuss product features and product development, (ii)
set development timelines for next generation product(s), and (iii) to review
the current market conditions, competitive climate, pricing strategies, and
other marketing programs.

            2.8   Grant of License. Subject to the terms of this Agreement,
SKYSTREAM grants HARRIS a limited license to use the Software in connection with
the demonstration of the Products and in connection with the configuration and
support of the Products for End Users. All such use shall be subject to the
terms of the End User Software License attached hereto as Exhibit A.

            2.9   Limited Rights. HARRIS' rights in the Products will be limited
to those expressly granted in this Agreement.

                                      -4-
<PAGE>   9

            2.10  Future Products.

                  SKYSTREAM agrees to use commercially reasonable efforts to
develop a conditional access scrambling product for ATSC transmission. The
specifications for such product are to be established by mutually agreement of
the Parties by August 31, 1999. HARRIS shall have the right to include such
product, as an Exclusive Product under the terms of this Agreement at a mutually
agreed upon price and such product shall become a Product hereunder.

      3.    SOFTWARE

            3.1   Authorization. SKYSTREAM warrants and represents that, as of
the date of this Agreement and as of the date of delivery of any Products
hereunder, SKYSTREAM has the authority to sell the Products and distribute all
the software accompanying the Products to HARRIS and End-User customers of
HARRIS, subject only to the acceptance of the terms of such end-user software
licenses as may accompany the Products by the End User.

            3.2   Limited Distribution. HARRIS is permitted to market and
distribute SKYSTREAM Software, and any other software accompanying the Products,
only in connection with the sale of the Products to the End User.

            3.3   End User Software License.

                  (a)   HARRIS agrees:

                        (i)   to include the following language in all sales
quotations and offers to sell the Products:

"THE [NAME OF PRODUCT] IS SOLD SUBJECT TO THE TERMS OF ONE OR MORE END USER
SOFTWARE LICENSES. THE USE OF THE [NAME OF PRODUCT] IS CONTINGENT UPON THE
ACCEPTANCE BY THE PURCHASER OF THE TERMS OF SUCH END USER SOFTWARE LICENSES."

                        (ii)  to provide a copy of the "End User Software
License", in the form attached hereto as Exhibit A, and such other end user
software licenses required for use of the Products, as may be provided by
SKYSTREAM from time to time, to any potential purchaser who shall request a copy
prior to sale;

                        (iii) to package and to install the Products in such a
manner that HARRIS' customer is provided with a meaningful opportunity to review
and agree to the End User Software License and other end user software licenses
accompanying the Products before installing or using any of the Products; and

                                      -5-
<PAGE>   10

                        (iv)  to accept for return and refund any unused
Products in the event that HARRIS' customer does not agree to accept any of the
terms of the End User Software License or the terms of any other software
license required to use the Products. SKYSTREAM shall accept the return such
unused Product and refund the Price to HARRIS.

                  (b)   In consideration of SKYSTREAM's not requiring a written
End-User Software License signed by HARRIS' customer as a precondition to the
sale or transfer of the Products, HARRIS agrees to indemnify SKYSTREAM for any
and all damages that may arise as a result of HARRIS' breach of Section 3.3(a).

            3.4   License Only. Notwithstanding the use herein of the word
"sell" and variants thereof, all Software is licensed to HARRIS and the End User
and is not sold. SKYSTREAM, or the licensors through which SKYSTREAM obtained
the rights to distribute Software, retain title to the Software, whether the
Software is separate or combined with any other products, including HARRIS'
products, and HARRIS shall transfer Software only to the extent that such
transfer is incidental to the resale or lease of the Products. The End User is
licensed by SKYSTREAM directly to use the Software solely in conjunction with
the use of the Products and further subject to the terms of the End User
Software License.

            3.5   Proprietary Software. The Software is proprietary to SKYSTREAM
and/or its suppliers and is copyrighted. Without SKYSTREAM's prior written
approval, HARRIS shall not separate the Software from the Products as shipped by
SKYSTREAM, nor shall HARRIS disassemble, de-compile, reverse-engineer, copy,
modify, or otherwise change any of the Software or its form. HARRIS shall
protect the Software from any disclosure or use in violation of this Agreement
in accordance with Exhibit A. HARRIS shall not be entitled to receive Source
Code.

      4.    TERMS AND CONDITIONS OF SALE

            4.1   Applicability of Terms and Conditions of Sale.

                  (a)   SKYSTREAM agrees to sell Products to HARRIS in
accordance with the terms and conditions of this Agreement. Specific quantities
of the Products shall be ordered by HARRIS for purchase by the placement of a
Purchase Order. In the event HARRIS requests a cancellation of a Purchase Order
prior to SKYSTREAM's acceptance, SKYSTREAM shall accept HARRIS' cancellation
with no cancellation fees accessed.

                  (b)   Within five (5) business days after the receipt of the
Purchase Order, SKYSTREAM shall by facsimile either accept or reject the
Purchase Order. Unless otherwise specified in this Agreement, any Purchase Order
accepted by SKYSTREAM ("Order"), shall be binding upon the Parties and (except
as permitted herein) may not be altered, amended, modified or canceled without
the prior written consent of HARRIS and SKYSTREAM. In the event SKYSTREAM
rejects a Purchase Order, the Parties agree to discuss mutually acceptable
conditions

                                      -6-
<PAGE>   11

for the Purchase Order and Acceptance. In the event HARRIS requests a
cancellation of an accepted Purchase Order, the Parties agree to discuss a
mutually equitable settlement as a result of said cancellation.

                  (c)   No terms or conditions set forth in the Purchase Order,
to which notice of objection is hereby given, or is stated in any future
correspondence between HARRIS and SKYSTREAM shall alter or supplement this
agreement unless both Parties have agreed in writing to modify this Agreement,
which requirement may be satisfied by acceptance of a term contrary to this
Agreement in a Purchase Order by confirmatory memorandum from SKYSTREAM.
Neither SKYSTREAM's commencement of performance or delivery shall be deemed or
construed as acceptance of additional or different terms and conditions
contained in a Purchase Order.

            4.2   Price.

                  (a)   Unless otherwise stated in writing by SKYSTREAM, all
prices quoted shall be exclusive of transportation, insurance, federal, state,
local, use, sales, property (ad valorem) and similar taxes or duties now in
force or hereafter enacted. HARRIS agrees to pay all taxes, fees or charge of
any nature whatsoever imposed by any governmental authority on, or measured by,
the transaction between HARRIS and SKYSTREAM, in addition to the prices quoted
or invoiced. In the event that SKYSTREAM is required to collect the foregoing,
such amounts will appear as separate items on SKYSTREAM's invoice. HARRIS agrees
to provide SKYSTREAM with a valid resale certificate for the Products purchased
for resale. The initial pricing paid by HARRIS to SkyStream for Products is
listed in Exhibit D. Nothing in this Agreement will be construed to restrict
HARRIS' ability to set prices to its customers.

            4.3   [*]

                  [*]

            4.4   Payment Terms

                   (a)   SKYSTREAM shall invoice HARRIS upon shipment of the
Order to HARRIS. All invoices are payable by draft or wire transfer in Dollars
thirty (30) days from date of invoice. No discounts are authorized. Interest on
late payments may, at SkyStream's discretion, accrue at the rate of [*] per
month or the highest legal rate, whichever is lower, provided, however that no
interest shall accrue on amounts resulting from an invoice or other errors by
SKYSTREAM.

                  (b)   For payments by wire transfer, SKYSTREAM'S bank
information is:

                          [*]

* Certain information on this page has been omitted and filed
  separately with the Commission. Confidential treatment has
  been requested with respect to the omitted portions.

                                      -7-

<PAGE>   12
                                      [*]

      HARRIS should supply the sending Bank Information, ABA & Account # to show
where the money is coming from.

                  (c)   Until the purchase price and all other charges payable
to SKYSTREAM hereunder have been received in full, SKYSTREAM hereby retains, and
HARRIS hereby grants to SKYSTREAM, a security interest in the Products delivered
to HARRIS and any proceeds therefrom. HARRIS agrees to promptly execute all
documents reasonably requested by SKYSTREAM to perfect and protect such security
interest.

                  (d)   Should HARRIS become delinquent in the payment of any
undisputed sum due hereunder, SKYSTREAM shall not be obligated to continue
performance hereunder, including without limitation shipment of any previous
Orders.

                  (e)   HARRIS warrants to SKYSTREAM that it is financially
solvent on the date on which it places a Purchase Order and expects to be
solvent on the date of receipt of shipment. SKYSTREAM reserves the right to
change the credit terms provided herein, when in SKYSTREAM's opinion the
financial condition or previous payment record of HARRIS so warrants.

            4.5   Forecast and Delivery Dates.

                  (a)   Standard lead times for Purchase Orders placed by HARRIS
shall be [*] for Products included in the purchase forecast provided to
SKYSTREAM pursuant to Section 4.4(c), and [*] for all other Purchase Orders.

                  (b)   Within fifteen (15) days from the effective date of this
Agreement, HARRIS agrees to place a Purchase Order covering requested shipments
for delivery by June 30, 1999.

                  (c)   In order for SKYSTREAM to maintain a continuous flow of
long lead-time material, HARRIS agrees to provide a purchase forecast to
SKYSTREAM, broken out by month, Product, and the probability being converted to
a sale, at the end of each month that covers

* Certain information on this page has been omitted and filed
  separately with the Commission. Confidential treatment has
  been requested with respect to the omitted portions.

                                      -8-
<PAGE>   13

an additional ninety (90) day period beyond the date of open Purchase Orders
that exist at any given time.

                  (d)   Subject to Section 4. 1 (c), all shipments are subject
to SKYSTREAM's availability schedule. SKYSTREAM will use commercially reasonable
efforts to meet any delivery date(s) requested in Purchase Order; provided
however, that SKYSTREAM will not be liable under any circumstances for its
failure to meet such delivery date(s). Any delivery dates provided by SKYSTREAM
to HARRIS pursuant to a Purchase Order are best estimates only, however delivery
date in an Order which has been confirmed in writing by SKYSTREAM shall be firm.
SKYSTREAM shall have the right to make partial shipments and payment therefore
shall be made in the manner described in Section 4.3 above.

                  (e)   In the event HARRIS requests an acceleration in the
delivery of the Products SKYSTREAM will make reasonable efforts to accommodate
accelerations impacted by materials constraints; which may include without
limitation: material availability, capacity, and personnel resources. SKYSTREAM
and HARRIS will mutually agree on the applicable price adjustments if
accelerations result in increased costs due to procurement of material from
distribution and express handling.

            4.6   Packing. All Products shall be packed, if appropriate, for
shipment and storage in accordance with standard commercial practices. All
packing will conform to requirements of carrier's tariffs. When special or
export packaging is requested or, in the opinion of SKYSTREAM, required under
the circumstances, the cost of such special export packaging, if not set forth
on the invoice, will be separately invoiced. SKYSTREAM shall label such packages
with HARRIS' logo and markings including the number of Purchase Order, shipment
weight, name of Products, handling and loading instructions and an itemized
packing list specifying the number of units, Purchase Order, serial numbers with
each shipment by pallet. SKYSTREAM will provide test date of bulk packaging for
evaluation and approval. The units shall be individually packed in HARRIS
labeled boxes.

            4.7   Shipment & Acceptance.

                  (a)   F.O.B. Point. All prices are F.O.B. (as defined in the
Uniform Commercial Code as implemented by the state of California, U.S.A.)
SKYSTREAM's Mountain View location unless otherwise agreed to in writing. HARRIS
will pay all transportation and insurance charges after delivery to the F.O.B.
point. Unless otherwise indicated by SKYSTREAM HARRIS is obligated to obtain
insurance covering damage to the goods while in transit.

                  (b)   Method of Shipment. Subject to this Section 4.6,
SKYSTREAM will ship in accordance with HARRIS' shipping instructions. In the
absence of specific instructions or if

                                      -9-
<PAGE>   14

HARRIS' instructions are deemed unsuitable, SKYSTREAM reserves the right to ship
by the most appropriate method.

                  (c)   Title and Risk of Loss. Title to the Products and risk
of loss and damage shall pass to HARRIS upon delivery to the F.O.B. point.

                  (d)   Acceptance. Products shall be deemed to have been
accepted by HARRIS unless HARRIS provides written notice to SKYSTREAM to the
contrary within thirty (30) days from the date of delivery to the F.O.B. point.
Such written notice shall request a Return Material Authorization ("RMA") number
and the terms and conditions that apply to warranty returns under Section 4.8
shall apply to returns under this Section 4.6.

            4.8   Changes and Cancellations.

                  (a)   Subject to the additional charges set forth below and to
Section 4.7(b), Orders may be canceled per the following schedule:

<TABLE>
<CAPTION>
   DAYS PRIOR TO SCHEDULED             PERCENTAGE OF ORDER WHICH MAY BE CANCELED
SHIPMENT DATE TO F.O.B. POINT
       <S>                                              <C>
         0-30 days                                      [*]

        31-60 days                                      [*]

          61+ days                                      [*]
</TABLE>

      In the event that HARRIS cancels any Order more than thirty (30) days but
fewer than sixty (60) days prior to the scheduled delivery date (to the F.O.B.
point) for such order, HARRIS shall promptly pay to SKYSTREAM a
restocking/cancellation fee equal to fifteen percent (15%) of the purchase
price for the Products subject to such Order.

                  (b)   Orders may be rescheduled per the following schedule:

<TABLE>
<CAPTION>
   DAYS PRIOR TO SCHEDULED          PERCENTAGE OF ORDER WHICH MAY BE RESCHEDULED
SHIPMENT DATE TO F.O.B. POINT
       <S>                           <C>
          0-30 days                  [*]

         31-60 days                  [*]

           61+ days                  [*]
</TABLE>

Orders may only be rescheduled once. Rescheduled orders may not be later
canceled.

* Certain information on this page has been omitted and filed
  separately with the Commission. Confidential treatment has
  been requested with respect to the omitted portions.

                                      -10-
<PAGE>   15

                  (c)   If HARRIS terminates Orders in whole or in part because
of SKYSTREAM's failure to timely deliver, HARRIS' sole remedy shall be
entitlement to cancel the undelivered quantity of any Order.

                  (d)   No cancellation of any Order for default shall be
effective unless SKYSTREAM has failed to correct such alleged default within
thirty (30) days after receipt by SKYSTREAM of a written notice by HARRIS of
such default and no cancellation fee shall be accessed against HARRIS.

            4.9   Limited Warranty

                  (a)   The Products are warranted against defects in material,
design and workmanship for a period of fourteen months from the date of delivery
to FOB point. This limited warranty does not cover the results of accident,
abuse, neglect, improper testing, vandalism, acts of God, use contrary to
specifications or instructions, or repair or modification by anyone other than
SKYSTREAM, HARRIS or SKYSTREAM's authorized agents. SKYSTREAM SHALL HAVE NO
OBLIGATION UNDER THIS WARRANTY, AND MAKES NO REPRESENTATION AS TO PRODUCTS THAT
HAVE BEEN MODIFIED CONTRARY TO PRODUCT SPECIFICATIONS ("MODIFIED") BY HARRIS OR
ITS END USERS. The foregoing warranty extends only to HARRIS and End Users
purchasing Products through an authorized sales channel of HARRIS, and not other
End Users. The foregoing warranty does not apply to any used or Modified
Products, or software within the Products, which is subject to the end user
software licenses.

                  (b)   If the Product does not conform to the foregoing
warranties, HARRIS or HARRIS' End User may, at its own risk and expense, return
the allegedly defective Product directly to SKYSTREAM during the Warranty
Period. In order to do so, HARRIS or HARRIS' End User must first notify
SKYSTREAM in writing of the alleged defect and request a return material
authorization ("RMA") number. Within five (5) days of its receipt of the RMA
number, HARRIS or HARRIS' End User shall ship to SKYSTREAM the allegedly
defective Product, freight prepaid, to SKYSTREAM, and shall include a notation
of the RMA number. Any Products returned to SKYSTREAM without an authorized RMA
number may be returned to HARRIS or HARRIS' End User, freight collect. Upon
receipt of the Product, SKYSTREAM, at its option, will repair or replace the
Product and ship the repaired or replaced Product to HARRIS at SKYSTREAM's
expense and risk, or refund the purchase price. If SKYSTREAM determines that any
returned Product conformed to the warranties, SKYSTREAM will return the Product
to HARRIS or HARRIS' End User, at their expense and risk, along with a written
statement setting forth the basis for SKYSTREAM's conclusion that the returned
Product was not defective, and HARRIS or HARRIS' End User agrees to pay
SKYSTREAM's reasonable costs of handling and testing.

                  (c)   THE REMEDIES PROVIDED HEREIN ARE HARRIS' AND HARRIS' END
USERS' SOLE AND EXCLUSIVE REMEDIES FOR BREACH OF WARRANTY BY

                                      -11-
<PAGE>   16

SKYSTREAM. SKYSTREAM SPECIFICALLY DISCLAIMS ALL OTHER EXPRESS, IMPLIED OR
STATUTORY WARRANTIES, INCLUDING ANY IMPLIED WARRANTIES OF FITNESS FOR A
PARTICULAR PURPOSE, MERCHANTABILITY OR NONINFRINGEMENT. NO PERSON IS AUTHORIZED
TO MAKE ANY OTHER WARRANTY OR REPRESENTATION CONCERNING THE PERFORMANCE OF THE
PRODUCTS OTHER THAN AS PROVIDED IN THIS SECTION.

            4.10  Import/Export.

                  HARRIS agrees that it will not in any form export, re-export,
resell, ship or divert directly or indirectly any Product or technical data or
Software furnished hereunder to any country for which the United States
Government or any government agency requires an export license or other
governmental approval without first obtaining such license or approval.

            4.11  Restricted Use.

                  SKYSTREAM's Products may produce a reduction and loss of data
and therefore are not sold for use in medical equipment, avionics, nuclear
applications, or other high-risk applications where malfunctions or loss of data
could result directly in personal injury to human beings. HARRIS agrees not to
use, to contractually bind its customers not to use, the Products in such
applications, and HARRIS agrees to indemnify SKYSTREAM and to hold SKYSTREAM
harmless from and against any liability arising out of HARRIS' failure to
contractually bind its customers in the manner previously described.

            4.12  Spares available for 7 Years.

                  (a)   SKYSTREAM shall continue to make available to HARRIS
Spare Parts identified in Exhibit E, for a period of seven (7) years after the
discontinuance of manufacturing of the Product by SKYSTREAM, at SKYSTREAMs
current prices for such Spare Parts as SKYSTREAM may change from time to time
(current prices as of the Effective Date are listed on Exhibit E), and HARRIS
may order such Spare Parts for delivery during such period. If after expiration
of this seven (7) year period, SKYSTREAM decides to discontinue manufacture of
any Spare Parts manufactured directly by it, SKYSTREAM shall immediately provide
written notice to HARRIS of its intention. Upon receipt of SKYSTREAM's written
notice, HARRIS shall have sixty (60) days in which to order additional
quantities of any such Spare Parts for delivery by SKYSTREAM not later than six
(6) months after receipt of the notice.

                  (b)   Within 90 days of such notice and if HARRIS desires to
have Spare Parts manufactured after SKYSTREAM has discontinued manufacture of
the parts, SKYSTREAM shall either manufacture them for HARRIS at a reasonable
Cost Plus Fee basis or SKYSTREAM shall provide HARRIS with appropriate
documentation, tooling and the rights to use the documentation and tooling to
have the parts manufactured by HARRIS and/or it's contractor.

                                      -12-
<PAGE>   17

            4.13  Product Changes.

                  (a)   SKYSTREAM may, at any time prior to shipment, make
changes in NonExclusive Products. SKYSTREAM may modify the Non-Exclusive Product
drawings and specifications, as they may be set forth in the relevant product
specification sheet (the "Specifications"), or substitute products of later
design. SKYSTREAM guarantees that such modifications or substitutions will not
impact upon form, fit, or function under normal and proper use of the ordered
Product as provided in the Specifications. With respect to changes,
modifications, and substitutions that do impact the form, fit, or function of
Non-Exclusive products, SKYSTREAM shall notify HARRIS in writing thirty (30)
days prior to the date the changes become effective and HARRIS shall notify
SKYSTREAM of any objections thereto before the effective date of the change; if
HARRIS fails to notify SKYSTREAM of any such objections, HARRIS shall be deemed
to have consented to such change.

                  (b)   SKYSTREAM shall inform HARRIS on a periodic basis of any
planned changes to the form, fit or function of Exclusive Products. Any changes,
modifications, and substitutions that impact the form, fit, or function of
Exclusive Products shall be mutually agreed upon by the Parties. HARRIS reserves
within its sole discretion, the right to accept or reject any such proposed
changes and to require SKYSTREAM to deliver the Exclusive Products in accordance
with the original Specifications of this Agreement.

                  (c)   Notice of any technical change to the Products shall be
provided to:

                  HARRIS Corporation
                  Director of Customer Service
                  3200 Wismann Lane
                  Quincy, Illinois 62301
                  (217) 222-8200

                  SkyStream
                  Product Marketing Manager
                  555 Clyde Avenue
                  Mountain View, California 94043
                  (650) 390-8800

            4.14  Price Protection.

                  (a)   The Parties shall have established commercially viable
pricing for the purchase of the Products by HARRIS for resale. Commercial
viability shall be based on the competitiveness of the price paid by HARRIS to
SKYSTREAM and based on such purchase price, the ability of HARRIS to resell the
Products in the market place at a reasonable margin to HARRIS. In the event that
HARRIS believes that the purchase price no longer is commercially viable,

                                      -13-
<PAGE>   18

HARRIS shall notify SKYSTREAM in writing, and the Parties shall engage in good
faith negotiations to restructure the purchase price between them in order to
meet the goal of the commercial viability of the purchase price. The intent of
such good faith negotiations is the reduction of the purchase price between the
Parties which will enable HARRIS to meet resale market forces. At no time shall
such discussions or agreements allow SKYSTREAM to affect in any way, the HARRIS
resale price or other factors of the resale. Once SKYSTREAM accepts the Purchase
Order in Writing, at the quoted price, this price shall remain fixed as defined
in the Order unless the parties mutually agree to reduce the price.

                  (b)   Any adjustment in the price of the Products shall be
effective on Products not yet delivered to HARRIS by SKYSTREAM under outstanding
Orders. SKYSTREAM agrees to amend the Order accordingly.

            4.15  Service Agreements.

                  HARRIS shall have the opportunity to purchase, for resale to
End Users, the first year of SkySupport Service customer service, as listed in
Exhibit D under SkySupport Plan, at the time of each sale by Harris to an End
User. Such SkySupport may then be renewed on the nearest of February 15, May 15,
August 15 and November 15 following the one yew anniversary of the date of each
sale by Harris to End User. In the case of upgrades to a previously purchased
Product, in order for SkySupport to extend to the upgrade, the End User must
have purchased SkySupport on the Product, and must pay for SkySupport on the
upgrade. Where SkySupport is ordered on an upgrade, the first year of SkySupport
shall be assessed on the upgrade at the time of order by Harris and invoiced
with the upgrade, and thereafter collected at the time the SkySupport renewal is
payable on the Product for which the upgrade was purchased.

      5.    MAINTENANCE, SUPPORT, AND TRAINING.

            5.1   By HARRIS.

      HARRIS agrees to offer all End-Users one of two maintenance and support
plans to technically support the Products sold to the End-Users as follows:

                  (a)   a service plan that is substantially similar to the
SkySupport customer service program that is offered by SKYSTREAM to its direct
customers. A copy of the plan, as well as the fee structure is listed in Exhibit
D under SKYSUPPORT PLAN.

                  (b)   a standard 12-month warranty period, of which the
services available to the End-Users as well as the fee structure are listed in
Exhibit D under STANDARD WARRANTY.

            5.2   By SKYSTREAM.

                                      -14-
<PAGE>   19

      SKYSTREAM will not be responsible for providing support to the End User.
SKYSTREAM will provide HARRIS with:

                  (a)   commercially reasonable efforts to correct any
non-conformity with the software Feature Specification Documents for the
applicable versions of the software;

                  (b)   every six (6) months, at a mutually agreeable location
at no cost to HARRIS: factory and field service training, to consist of a
minimum of two business days of training, and sales and product line staff
training, to consist of at least one, four-hour session. Factory and field
service training sessions given pursuant to this section may be attended by up
to 5 HARRIS personnel. Sales and product line staff training shall be attended
by a reasonable number of HARRIS personnel or HARRIS distributors. Each Party
agrees to pay the travel and living expenses of such Party's own personnel
associated with the training;

                  (c)   SKYSTREAM agrees to provide reasonable access to
SKYSTREAM's technical personnel for inquiries from HARRIS relating to the
Products during standard SKYSTREAM business hours, generally Monday through
Friday from 9:00 am. to 5:00 p.m. Pacific Standard Time, and SKYSTREAM agrees to
respond to any HARRIS inquiry within eight business hours;

                  (d)   additional training and support services as the Parties
shall negotiate in good faith and mutually agree upon.

      6.    CONFIDENTIALITY.

            6.1   Obligations. Each party agrees that it will not disclose to
any third party or use any Products or other Confidential Information disclosed
to it by the other party, except to carry out its rights and obligations under
this Agreement, and that it will take all reasonable measures to maintain the
confidentiality of all Confidential Information in its possession or control,
which will in no event be less than the measures it uses to maintain the
confidentiality of its own information of similar importance. "Confidential
Information" includes (i) all written information labeled confidential or
proprietary and (ii) oral information that is designated by a party as
confidential or proprietary in writing within a reasonable time of its
disclosure.

            6.2   Exceptions. "Confidential Information" will not include
information that:

                        (i)   is in or enters the public domain without breach
of this Agreement;

                        (ii)  is lawfully obtained by the receiving party
without breach of a nondisclosure obligation;

                                      -15-
<PAGE>   20

                        (iii) is independently developed or already in the
possession of the receiving party as shown by the receiving party's
contemporaneous records; or,

                        (iv)  is required by law to be disclosed, provided that
the receiving party gives prompt written notice of such requirement prior to
disclosure: or

                        (v)   was known to the receiving party at the time it
was submitted;

      The obligations and restriction contained in this Section 6.1 shall expire
10 years after the Effective Date or 3 years after expiration or termination of
this Agreement, which ever is later.

            6.3   Injunctive Relief. Each party acknowledges that the improper
disclosure of the other's Confidential Information could cause substantial harm
to the other party that could not be remedied by the payment of damages alone.
Accordingly, either party will be entitled to preliminary and permanent
injunctive relief and other equitable relief for any breach of this Agreement or
misuse of Confidential Information by SKYSTREAM, HARRIS or the End User, as
applicable.

            6.4   Disclosure Warranty. Each party warrants that it has the full
power and authority to supply and to disclose Confidential Information to the
other party, and that such Confidential Information has not been improperly or
unlawfully acquired.

            6.5   Disclosure Indemnification. Each party agrees to indemnify the
other party against, and to hold the other party harmless of and from, any loss,
cost, damage, liability, suit, judgment, or expense, including legal fees
(collectively, "Harm") arising out of any breach of the warranties set forth in
Section 6.4.

      7.    INTELLECTUAL PROPERTY RIGHTS

            7.1   Ownership. SKYSTREAM and/or its vendors shall own all right,
title, and interest in the Software and documentation, all Intellectual Property
Rights therein, and all Intellectual Property Rights in the Products, including
all changes and improvements requested or suggested by HARRIS in the support and
maintenance of the Products. SKYSTREAM acknowledges that HARRIS shall own all
right, title, interest and Intellectual Property Rights in all products or
inventions developed entirely by HARRIS except those which are based upon or
derived from the Products, Software, documentation, Confidential Information or
trade secret information of SKYSTREAM, or those developed by Harris personnel
who have used the Products and/or Software that are based upon or derived from
the Products and/or Software at the time of conception or reduction to practice
of the invention to the Products, or from research or development of SKYSTREAM
that has been a subject of public disclosure or disclosure to Harris pursuant to
this Agreement.

                                      -16-
<PAGE>   21
            7.2   Limited Use. The Products are offered for sale and are sold by
SKYSTREAM subject in every case to the condition that such sale does not convey
any license expressly or by implication, to manufacture, reverse engineer,
duplicate or otherwise copy or reproduce any of the Products or any part
thereof.

            7.3   Notices. HARRIS will not delete or in any manner alter the
Intellectual Property Rights notices of SKYSTREAM and its suppliers, if any,
appearing on the Products as delivered to HARRIS.

            7.4   HARRIS' Duties. HARRIS will take customary measures in the
marketing and distribution of the Products to provide notices of SKYSTREAM's
copyrights and trademarks in the Products, no less than the extent to which
HARRIS protects its copyrights and trademarks in HARRIS' Products, and will, to
the extent lawful, report promptly to SKYSTREAM any infringement of such rights
of which HARRIS becomes aware.

            7.5   Trademarks. Subject to the terms and conditions of this
Agreement, SKYSTREAM grants HARRIS a nonexclusive license for the term of this
Agreement to use the Marks in HARRIS' marketing of the Products, provided that
such use is in accordance with SKYSTREAM's trademark usage guidelines then in
effect. Such use must reference the Marks as being owned by SKYSTREAM. Nothing
in this Agreement grants HARRIS ownership or any rights in or to use the Marks,
except in accordance with this license, and HARRIS' use of the Marks will inure
to the benefit of SKYSTREAM. The rights granted to HARRIS in this license will
terminate upon any termination or expiration of this Agreement. Upon such
termination or expiration, HARRIS will no longer make any use of any Marks.
SKYSTREAM will have the exclusive right to own, use, hold, apply for
registration for, and register the Marks during the term of, and after the
expiration or termination of, this Agreement; HARRIS will neither take nor
authorize any activity inconsistent with such exclusive right.

      8.    INFRINGEMENT INDEMNITY

            8.1   SKYSTREAM Indemnification and Defense. Subject to the
limitations hereinafter set forth, HARRIS agrees that SKYSTREAM has the right to
defend, or at its option to settle, and SKYSTREAM agrees, at its own expense, to
defend or at its option to settle, any claim, suit or proceeding (collectively,
"Action") brought against HARRIS, its customers or its End Users alleging that
the use or distribution of the Products infringes or misappropriates any United
States patent, copyright or trade secret. SKYSTREAM shall have sole control of
any such Action or settlement negotiations shall, and SKYSTREAM agrees to pay,
subject to the limitations set forth in Sections 7 and 8, all related costs,
expenses and attorney fees and any settlement costs or final judgment entered
against HARRIS or its End Users as a result of such infringement. HARRIS agrees
that SKYSTREAM at its sole option shall be relieved of the foregoing obligations
unless HARRIS notifies SKYSTREAM promptly in writing of such Action and gives
SKYSTREAM

                                      -17-
<PAGE>   22

authority to proceed as contemplated herein, and, at SKYSTREAM's expense, gives
SKYSTREAM proper and reasonable information and assistance to settle and/or
defend any such Action. If the Products, or any part thereof, are, or in the
opinion of SKYSTREAM may become, the subject of any Action for infringement of
any United States patent, copyright or trade secret, or if a judicial or other
governmental authority enjoins the use or distribution of Products as a result
of an Action defended by SKYSTREAM, then SKYSTREAM may, at its option and
expense: (i) procure for HARRIS, its customers and End Users the right to
distribute or use, as appropriate, the Products; (ii) replace the Products with
other equivalent non-infringing Products; (iii) suitably modify the Products to
render such non-infringing; yet equivalent or (iv) if the foregoing alternatives
cannot be accomplished on a commercially reasonable basis as determined in
SKYSTREAM's sole discretion, require HARRIS to return such Products and refund
the aggregate payments paid therefor by HARRIS, less a reasonable sum for use
and damage. HARRIS shall indemnify and hold harmless SKYSTREAM from and against
any and all third party claims arising out of the distribution of Products after
SKYSTREAM has required HARRIS to return such Products or arising out of any
exclusions to SKYSTREAM's indemnification obligations set forth in Section 8.2.
SKYSTREAM shall not be liable for any costs or expenses incurred without its
prior written authorization.

            8.2   SKYSTREAM limitations. Notwithstanding the provisions of
Section 8.1 above, SKYSTREAM assumes no liability for (i) any infringement claim
(including without limitation combination or process patents) arising out of the
combination of a Product or use with other hardware, software or other items not
provided by SKYSTREAM to the extent such infringement would not have occurred
absent such combination or use; (ii) any infringement claims arising out of the
modification of the Products, or any part thereof, unless such modification was
made by SKYSTREAM; or (iii) any infringement claims arising out of SKYSTREAM's
compliance with HARRIS' specifications or designs.

            8.3   Entire Liability. THE FOREGOING PROVISIONS OF THIS SECTION 8
STATE THE ENTIRE LIABILITY AND OBLIGATION OF SKYSTREAM AND THE EXCLUSIVE REMEDY
OF HARRIS, ITS CUSTOMERS AND END USERS WITH RESPECT TO ANY ALLEGED INFRINGEMENT
OF COPYRIGHTS, TRADEMARKS, PATENTS OR OTHER INTELLECTUAL PROPERTY RIGHTS BY THE
PRODUCTS.

      9.    YEAR 2000 COMPLIANCE

                  (a)   SKYSTREAM warrants to HARRIS that each of the Products
including (software, firmware or documentation) furnished with the Products
purchased by HARRIS, shall be "Year 2000 Compliant", meaning that it will, at
all times before, during and after calendar year 2000, perform all functions
(including, without limitation, input, processing, calculating, comparing,
sequencing and output) related to or including dates (including the year 2000
and dates before and after the year 2000) without interruption. For purposes of
the foregoing, "without interruption" means, among other things, without
modification, loss of performance, loss of use, or work or

                                      -18-
<PAGE>   23

expense on the part of HARRIS or the End User, without changes in inputs,
output, data or other information in relation to dates arising in the Y2K and
beyond. Furthermore, when used in combination with other information technology,
each of the Products shall accurately process date/time data.

                  (b)   SKYSTREAM warrants to HARRIS that internal information
technology systems are Year 2000 Compliant so as to prevent interruption or
delay respecting the continuous and timely supply of products to HARRIS.

                  (c)   SKYSTREAM shall indemnify and hold harmless, HARRIS, its
employees, agents and third parties claiming under them from any and all
actions, claims, demands, suits, losses, damages, fines and penalties (except
where prohibited by law), judgments, expenses (including reasonable attorney's
fees), and causes of action of every character, whether in tort, contract or
otherwise which results from the failure or the alleged failure of SKYSTREAM to
furnish "Year 2000 Compliant" software as stated herein. HARRIS shall notify
SKYSTREAM in writing immediately upon being given notice of any such action or
claim and HARRIS shall be afforded the opportunity of participating in any legal
defense undertaken by SKYSTREAM.

      10.   LIMITATIONS OF LIABILITY.

            10.1  Total Liability. EXCEPT AS SET FORTH IN SECTION 8 AND EXCEPT
FOR BREACHES OF SECTION 6, SKYSTREAM'S AND HARRIS' LIABILITY FOR A BREACH OF
THIS AGREEMENT WILL BE LIMITED TO THE TOTAL VALUE OF ORDERS RECEIVED OR DUE FROM
HARRIS UNDER THIS AGREEMENT.

            10.2  Exclusion Of Damages. EXCEPT AS SET FORTH IN SECTION 8 AND
EXCEPT FOR BREACHES OF SECTION 6, SKYSTREAM WILL NOT BE LIABLE TO HARRIS OR
HARRIS' CUSTOMERS OR END USERS, NOR SHALL HARRIS BE LIABLE TO SKYSTREAM, FOR ANY
SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER BASED ON BREACH OF
CONTRACT, TORT (INCLUDING NEGLIGENCE), PRODUCT LIABILITY, OR OTHERWISE, AND
WHETHER OR NOT SUCH PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
THESE LIMITATIONS SHALL APPLY NOTWITHSTANDING ANY FAILURE OF ESSENTIAL PURPOSE
OF ANY LIMITED REMEDY.

            10.3  No Warranty. EXCEPT AS SET FORTH IN SECTIONS 4.9, 8 AND 9,
SKYSTREAM MAKES NO WARRANTY, EXPRESS OR IMPLIED, IN CONNECTION WITH THE
PRODUCTS, INCLUDING THE RESULTS AND PERFORMANCE THEREOF, INCLUDING WITHOUT
LIMITATION ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE OR NONINFRINGEMENT.

                                      -19-
<PAGE>   24

      11.   TERMINATION.

            11.1  Term. The term of this Agreement will begin on the Effective
Date and will continue until the third anniversary of the Effective Date
("Termination Date"), unless it is terminated earlier in accordance with the
provisions hereof. Thereafter, this Agreement may be renewed for any number of
additional one-year periods upon the mutual written agreement of the Parties,
although each party acknowledges that the other is under no obligation to do so.

            11.2  Events of Termination. Either party will have the right to
terminate this Agreement (i) for convenience and without cause, upon ninety (90)
days written notice to the other party, (ii) if the other party breaches any
material term or condition of this Agreement and fails to cure such breach
within thirty (30) days after written notice, or (iii) upon thirty (30) days
notice, if the other party becomes the subject of a voluntary or involuntary
petition in bankruptcy or proceeding relating to insolvency, receivership,
liquidation or composition for the benefit of creditors.

            11.3  Review of Exclusivity. No more than fifteen days after
December 31, 1999, both Parties agree to meet to reconsider the exclusivity
provisions of this Agreement. HARRIS shall present to SKYSTREAM a product review
including: competition, experience to date, lost orders, orders to date,
proposals, product feedback and future implementation plans. During HARRIS'
product review presentation SKYSTREAM shall provide HARRIS with feedback on
HARRIS' presentation and SKYSTREAM's view of the marketplace. If HARRIS meets
the Performance Criteria, listed in Exhibit C, this Agreement shall
automatically continue in full force and effect. Otherwise, for thirty (30) days
after the meeting, or if such meeting fails to timely occur, for thirty (30)
days following January 15, 2000, SKYSTREAM may terminate the provisions of
Sections 2.2 and 2.3 of this Agreement by written notice to HARRIS, in which
event, the remainder of this Agreement shall continue in full force and effect.

            11.4  Effect of Termination.

                  (a)   Upon termination or expiration of this Agreement, HARRIS
will (except as specified in subsection (b) below) immediately return to
SKYSTREAM or (at SKYSTREAM's request) destroy all Source Code, if any, Software
(except for Software residing on a SKYSTREAM Product) and other Confidential
Information in its possession or control, and an authorized representative of
HARRIS will certify to SKYSTREAM in writing that HARRIS has done so.

                  (b)   Upon termination or expiration of this Agreement, HARRIS
will have the option, in its sole discretion, of:

                        (i)   electing, at any time, to allow SKYSTREAM to offer
maintenance and support for the Products directly to End Users in accordance
with SKYSTREAM's then applicable terms and conditions for such services; or

                                      -20-
<PAGE>   25

                        (ii)  continuing to provide maintenance and support for
the Products to its End Users upon the terms and conditions of Section 5 and
SKYSTREAM's obligations under Section 4.11.

                  (c)   Upon the termination or expiration of this Agreement,
SKYSTREAM shall continue to fill any Orders previously accepted by SKYSTREAM and
all outstanding Harris quotation(s) to End User(s) for a period of ninety (90)
days.

            11.5  Nonexclusive Remedy. The exercise by either party of any
remedy under this Agreement will be without prejudice to its other remedies
under this Agreement or otherwise.

            11.6  Survival. The rights and obligations of the Parties contained
in Section 4.12 (Spares), Sections 6, (Confidentiality), 7 (Intellectual
Property Rights), 8 (Infringement Indemnity), 10 (Limitations of Liability), 11
(Termination) and 12 (General) will survive the termination or expiration of
this Agreement.

      12.   GENERAL

            12.1  Publicity. HARRIS and SKYSTREAM agree to use reasonable
efforts in the preparation of a press release, mutually acceptable to both
Parties, announcing the execution of this Agreement. From and after the date
hereof, neither party shall issue any press releases with respect to the subject
matter hereof without the express approval of the other party.

            12.2  Assignment. The rights and liabilities of the Parties hereto
shall bind and inure to the benefit of their respective successors, executors
and administrators, as the case may be provided that no Party may assign or
delegate its obligations under this Agreement either in whole or in part,
without the prior written consent of the other Party. Notwithstanding the
foregoing, nothing herein shall preclude an Assignment by any Party to a Party's
affiliated subsidiary or parent company.

            12.3  Governing Law. This Agreement will be governed by and
construed in accordance with the laws of the State of California applicable to
agreements between California residents entered into and to be performed
entirely within California, without reference to conflict of law principles. Any
dispute or claim arising out of this Agreement will be resolved by binding
arbitration in the city and state of Denver, Colorado in accordance with the
complex commercial litigation rules of the American Arbitration Association. The
arbitrator shall not limit, expand or modify the terms of the Agreement nor
award damages in excess of compensatory damages, and each Party waives any claim
to such excess damages. Notwithstanding the arbitrator will have the power to
grant any form of relief, including preliminary and permanent injunctive relief,
which a judge in California with jurisdiction could fashion, and judgment on any
award may be entered in any court in California with jurisdiction. Nonetheless,
the Parties may seek temporary or permanent

                                      -21-
<PAGE>   26

injunctive relief from any court in California with jurisdiction without
breaching this Section 12.3 or otherwise abridging the authority of the
arbitrator.

            12.4  Severability. If any provision of this Agreement is found
invalid or unenforceable, that provision will be enforced to the maximum extent
permissible and the other provisions of this Agreement will remain in force.

            12.5  Force Majeure. Except for payments due under this Agreement,
neither party will be responsible for any failure to perform due to causes
beyond its reasonable control (each a "Force Majeure"), including, but not
limited to, acts of God, war, riot, embargoes, acts of civil or military
authorities, denial of or delays in processing of export license applications,
fire, floods, earthquakes, accidents, strikes, or fuel crises, provided that
such party gives prompt written notice thereof to the other party. The time for
performance will be extended for a period equal to the duration of the Force
Majeure, but in no event longer than sixty days.

            12.6  Notices. All notices under this Agreement will be deemed given
when delivered personally, or sent by confirmed facsimile transmission, or sent
by certified or registered U.S. mail or recognized express courier, return
receipt requested, to the address as first shown on this Agreement or as may
otherwise be specified by either party to the other in accordance with this
section.

            12.7  Independent Contractors. The Parties to this Agreement are
independent contractors. There is no relationship of partnership, joint venture,
employment, franchise, or agency between the Parties. Neither party will have
the power to bind the other or incur obligations on the other's behalf without
the other's prior written consent.

            12.8  Waiver. No failure of either party to exercise or enforce any
of its rights under this Agreement will act as a waiver of such rights.

            12.9  Counterparts.

This Agreement may be executed in any number of counterparts, each of which
shall be enforceable against the party executing such counterpart, and all of
which together shall constitute one instrument.

            12.10 Entire Agreement

      This Agreement and its exhibits are the complete and exclusive agreement
between the Parties with respect to the subject matter hereof, superseding and
replacing any and all prior agreements, communications, and understandings (both
written and oral) regarding such subject matter. This Agreement may only be
modified, or any rights under it waived, by a written document executed by both
Parties.

                                      -22-
<PAGE>   27

The Parties have caused this Agreement to be executed by their duly authorized
representatives as of the Effective Date.

HARRIS CORPORATION                            SKYSTREAM CORPORATION

Signature: /s/ JAY C. ADRICK                  Signature: /s/ CLINT CHAO
           ---------------------------------             -----------------------
Name: Jay Adrick                              Name: Clint Chao
      --------------------------------------        ----------------------------
Title: Vice President of Systems Integration  Title: Vice President of Marketing
       -------------------------------------         ---------------------------
Date: 4/18/99                                 Date: 4-18-99
       -------------------------------------         ---------------------------
Facsimile: (513) 459-3890                     Facsimile: (650) 390-8990
       -------------------------------------         ---------------------------

                                      -23-
<PAGE>   28

                     EXHIBIT A - END USER SOFTWARE LICENSE

                             SKYSTREAM CORPORATION

                           END USER SOFTWARE LICENSE

                         SOFTWARE LICENSE AND WARRANTY

ATTENTION!

Use of the software program on the enclosed disks and/or installed on the
computer is subject to the terms of the License Agreement printed on the license
card, in the license booklet, or in the user documentation. You should not use
this software until you have read the License Agreement.

By using the software, you signify that you have read the License Agreement and
accept its terms.

LICENSE

SKYSTREAM hereby grants to the Customer a limited, non-exclusive license to use
the Software provided solely on the terms and conditions contained herein.
"Software" means each software program provided by SKYSTREAM in machine
readable, object, printed or interpreted form.

LIMITATIONS ON USE

The Software is licensed to the Customer solely for Customer's internal use on
the purchased SKYSTREAM equipment and may not be used for any other purpose or
application.

The customer is licensed to use the Software only on the designated SKYSTREAM
equipment. The Software may not be used by Customer on any other computer, on
any other SKYSTREAM or similar equipment, or at any other location, except as
agreed by SKYSTREAM in writing.

Customer will not:

- Copy all or any part of the Software, except that Customer may make one copy
  of the Software solely for backup purposes for its own exclusive use, provided
  that customer shall reproduce and include on such backup copy SKYSTREAM's
  proprietary rights notices.

- Use, print, copy, modify or display the software, in whole or in part, except
  as specifically authorized by this Agreement.

- Sublicense, assign, resell, or otherwise transfer the Software to any third
  party except in connection with the permanent transfer of the SKYSTREAM
  equipment with which the Software was shipped or for which the Software
  upgrade was purchased. In the case of such a permanent transfer, Customer must
  not retain any copies of the Software, must transfer all the Software,
  including any upgrades or prior versions of the Software, and the recipient
  must agree to the terms of this Software license.

- Reverse engineer, duplicate or otherwise reproduce the Software.

                                       24
<PAGE>   29
                             EXHIBIT A (CONTINUED)

Customer acknowledges that this Agreement does not grant to Customer, and
Customer will not acquire hereby, any rights to patents, copyrights, trade
secrets, trade names, trademarks (whether registered or unregistered), or any
other proprietary rights in or to the Software, all of which are expressly
retained by SKYSTREAM.

Customer acknowledges that the laws and regulations of the United States may
restrict the export and re-export of the Software or media in any form without
appropriate United States and foreign government approval.

If Customer is a unit or agency of the United States Government or is acquiring
the Software and Documentation for any such unit or agency, the following apply:

o    If the unit or agency is the Department of Defense (DOD), the Software and
     its accompanying documentation are classified as "commercial computer
     software" and "commercial computer software documentation," respectively,
     and, pursuant to DFAR Section 227.7202, the Government is acquiring the
     Software and such documentation with terms of the Agreement.

o    If the unit or agency is other than DOD, the Software and its accompanying
     documentation are classified as "commercial computer software" and
     "commercial computer software documentation," respectively, and pursuant to
     FAR Section 12.212, the Government is acquiring the Software and such
     documentation in accordance with the terms of this Agreement.

WARRANTY
SKYSTREAM makes no warranty, express or implied, in connection with the
Software, including the results and performance thereof, including without
limitation any implied warranties of merchantability or fitness for a
particular purpose or non-infringement.

LIMITATION OF LIABILITY
The maximum liability of SKYSTREAM  to Customer for damages relating to this
agreement for any and all causes whatsoever, and Customer's maximum remedy,
regardless of the form of action, whether in contract, tort or otherwise, shall
be limited to the total fees paid by Customer to SKYSTREAM hereunder. In no
event shall SKYSTREAM be liable for any lost data or content, lost profits, or
business interruption, or for any indirect, incidental, special,
consequential, exemplary or punitive damages arising out of or relating to the
Software provided hereunder, even if SKYSTREAM has been advised of the
possibility of such damages.

TECHNICAL SUPPORT
For technical support, contact SKYSTREAM Customer Support through the World Wide
Web (www.SKYSTREAM.com) or via e-mail (support@SKYSTREAM.com).

                                       25
<PAGE>   30
                              EXHIBIT B - PRODUCTS

PRODUCTS

PRODUCTS TO BE COVERED UNDER THIS AGREEMENT:

PRODUCT        DESCRIPTION

DBN-35         ATSC Data Broadcast Injector

DBN-35J        ATSC Data Broadcast Injector System with JetStream Express Data
               Broadcasting Software

All Level 1, 2, and 3 upgrades as defined in the SkySupport agreement listed in
Exhibit D.

SOFTWARE RELEASES TO BE COVERED UNDER THIS AGREEMENT:

SkyStream software release 1.3 and successor versions thereof

All JetStream Express Server software modules. Note: There is a JetStream
Client software module that is to be licensed to the manufacturer of the DTV
receiver, which is not a part of this Agreement.

This agreement covers the JetStream Express Server software only. HARRIS or
HARRIS' End user are responsible for supplying a computer system on which the
licensed software will execute The specification of the computer must meet the
following minimum requirements:

Pentium 200MHz, 4GB HD, 64MB RAM, Windows NT 4.0, TCP/IP connection to the
Internet

                                       26
<PAGE>   31
                        EXHIBIT C - PERFORMANCE CRITERIA

PERFORMANCE CRITERIA FOR PERIOD BETWEEN EFFECTIVE DATE AND DECEMBER 31, 1999:

HARRIS MARKET SHARE REQUIREMENT

By December 31, 1999, HARRIS must have achieved a [*]% market share of the U.S.
ATSC call letter stations that have purchased a Data Broadcast Solution. This
will be measured by a report that will be generated by both Parties that lists
the number of television stations broadcasting digitally, their status on data
broadcast, and the HARRIS wins in that set. HARRIS' market share shall be
calculated as a fraction, the numerator of which is the number of HARRIS wins
and the denominator of which is the number of U.S. ATSC call letter stations
that have adopted a Data Broadcast Solution.

HARRIS MARKETING REQUIREMENT

By December 31, 1999, Harris must have placed at least [*] ads for Products in
national trade magazines (e.g., TV Technology, Broadcast Engineering, Digital
Television), and one direct mailing campaign to key decision makers in the
Exclusive Market.

MINIMUM PURCHASE REQUIREMENT

Under no circumstances will the total purchases from Harris be for less than [*]
units from the Effective Date to December 31, 1999.

* Certain information on this page has been omitted and filed
  separately with the Commission. Confidential treatment has
  been requested with respect to the omitted portions.

                                       27
<PAGE>   32
            EXHIBIT D - SKYSUPPORT PLAN AND PRODUCT/SERVICE PRICING

                                SKYSUPPORT PLAN

                                   SKYSUPPORT

                                  SERVICE PLAN

                              FOR DIRECT CUSTOMERS

           PROVIDING WORLD-CLASS CUSTOMER SERVICE AND SUPPORT FOR THE
                    SKYSTREAM INTEGRATOR FAMILY OF PRODUCTS

                                  VERSION 2.2

                                 FEBRUARY 1999

                                   SKYSUPPORT

                                       28
<PAGE>   33

                             EXHIBIT D (CONTINUED)

CUSTOMER SERVICE PLAN FOR DIRECT CUSTOMERS

SkySupport is a customer service plan that offers world-class support to
SkyStream customers domestically and internationally. SkyStream offers a program
whereby the greatest effort is placed in fast response time to any issues that
emerge, 24 hours a day, and 7 days a week. SkyStream also employs proactive
efforts to keep SkySupport customers abreast of any new product developments or
code changes.

Because of the evolutionary architecture of the SkyStream Integrator series,
customers may find it useful to gradually add hardware or software features to
the base product. Customers can also purchase feature additions or an add-on
card for additional functionality. SkyStream offers all SkySupport customers
the opportunity to upgrade their products, even after the units are installed
in the field.

The SkySupport customer service plan is available to all direct customers of
SkyStream. The plan is supported on a per-unit basis, and is renewed annually.
SkySupport customers are also eligible to purchase product upgrades or training
for additional charges. This renewable 1-year plan (after ship date) shall
include the following three categories of support:

1. ULTRA-FAST RESPONSE TIME

2. PRODUCT UPGRADES

3. SKYSTREAM'S PRODUCT TRAINING PROGRAM

The SkySupport Service Plan is initially ordered at same time that the
equipment is purchased. SkySupport service is renewed automatically, unless
otherwise noted by the customer, every 12 months at the standard service rate
(per the most recent price list).

                                       29

<PAGE>   34
SkyStream, HARRIS CONFIDENTIAL                               printed on 04/17/99

                             EXHIBIT D (CONTINUED)

SKYSUPPORT 3-POINT CUSTOMER SERVICE PLAN

1. ULTRA-FAST RESPONSE TIME

-  GUARANTEED ADVANCED PARTS REPLACEMENT, SHIPPED OVERNIGHT ON THE NEXT BUSINESS
   DAY

   SKYSTREAM WILL SHIP ADVANCE REPLACEMENT PARTS THE NEXT BUSINESS DAY.

-  TELEPHONE SUPPORT, 24 HOURS PER DAY, 7 DAYS PER WEEK (24x7)

   Access to SkyStream Customer Service technical support personnel with a
   guaranteed response time of within 4 hours of initial call.

-  ELECTRONIC MAIL INQUIRIES AND RESPONSES

-  REMOTE DIAGNOSTIC SERVICE (RDS)

   SkyStream customer service can observe and analyze the configuration and
   traffic pattern at the client's site and provide feedback to resolve
   problems. Customer needs to provide SkyStream support personnel with
   authorization to access the SkyStream products over a remote network for
   monitoring and troubleshooting purposes.

-  DOCUMENTATION

   Access to product manuals, user's guides, application notes, FAQ's and
   web-based troubleshooting guide on SkyStream's website via secure SkySupport
   password.

                                       30
<PAGE>   35
SkyStream, HARRIS CONFIDENTIAL                               printed on 04/17/99

                             EXHIBIT D (CONTINUED)

2. PRODUCT UPGRADES

SkyStream's products have a unique architecture that allows them to receive
hardware or software upgrades while installed in the field. Upgrades can range
from simple software patches to significant feature upgrades, all of which are
best treated under the SkySupport plan. Product Upgrades come in three
different categories, and will be clearly marked in all price lists:

LEVEL 1 UPGRADE: BUG FIXES

All software bug fixes will be documented and made accessible to all SkyStream
customers. Bug fixes are software patches that repair a known problem in the
current released code. Level 1 upgrades will be available [*], as long as
customers are using supported software releases. Typically, SkyStream will
provide support for the 2 most recent releases of its software. Customers using
unsupported versions of software will need to upgrade to the latest version to
receive code fixes, and non-SkySupport customers may need to pay [*] to upgrade.
Registered SkySupport customers will be pro-actively notified via email of any
upgrade within 30 days of production release date.

LEVEL 2 UPGRADE: FEATURE IMPROVEMENTS

Level 2 upgrades include all software improvements. Software improvements are
released on an ongoing basis to improve on an existing set of functions. See the
SkyStream price list to determine which features fall into this category. These
upgrades will be provided to SkySupport customers for [*] as long as customers
are using supported software releases.

LEVEL 3 UPGRADE: FEATURE ADDITIONS AND HARDWARE UPGRADES

Feature additions and hardware add-on card upgrades will be sold via SkyStream's
upgrade price list. Feature additions include software code upgrades that add
significant functionality to the existing product specification. See the
SkyStream price list to determine which features fall into this category. Only
authorized SkySupport personnel will administer Level 3 upgrades. Registered
SkySupport customers will be pro-actively notified via email of any upgrade
within 30 days of production release date.

SkyStream's Integrator family uses a flexible architecture that allows customers
to purchase a base system for immediate requirements, with an interest to
upgrade its functionality to a new platform in the future. For example, if a
customer purchases a DBN-35 ATSC IP Data Injector, and later wishes to upgrade
the product to support CAS Injection, he can do so by paying only an upgrade fee
as opposed to buying a new system (see upgrade price list for upgrade prices).
Customers interested in

* Certain information on this page has been omitted and filed
  separately with the Commission. Confidential treatment has
  been requested with respect to the omitted portions.

                                       31
<PAGE>   36

SkyStream, HARRIS CONFIDENTIAL                                  printed 04/17/99

upgrading their unit must provide SkyStream with 90 days advance notice. Only
SkySupport customers will have access to any Level 3 upgrades.

NOTE: Level 3 Upgrades are only available on same-family products (i.e. DBN 2X
is a family of products, where X can be 4, 5, 6, or other future product).

3.   SKYSTREAM'S PRODUCT TRAINING PROGRAM

SkyStream offers all customers basic system operations training to the SkyStream
Integrator product family. This session will accompany any new product
installation when an authorized SkyStream field support engineer performs the
installation. For more detailed product training, SkyStream offers an additional
system maintenance training session for customer engineering or operations
personnel who require more technical knowledge and hands-on skills to work
directly with the SkyStream equipment.

There are two training modules available.

MODULE 1: SKYSTREAM SYSTEM OPERATIONS TRAINING

SkyStream provides comprehensive on-site training on the new system at the time
of system installation. Customer operations and production staff receive
training on

o    System Overview/Setup

o    System Operations

o    Routine maintenance of the system

MODULE 2: SKYSTREAM SYSTEM MAINTENANCE TRAINING

SkyStream offers advanced training to customers that support and maintain their
SkyStream system. This training provides customers with the technical knowledge
and hands-on skills needed to use, configure, support and troubleshoot the
SkyStream system. This training is delivered at SkyStream's Corporate Training
Facility in Mt. View, CA.

                                       32
<PAGE>   37

SkyStream, HARRIS CONFIDENTIAL                               printed on 04/17/99

                             EXHIBIT D (CONTINUED)

ADDITIONAL TERMS:

1.    SkySupport must be purchased at time of order placement, and must cover
      the full amount of the order (i.e. if customer buys 2 DNB-xx units, he
      must also buy 2 units of SkySupport).

2.    SkySupport must also be purchased for any upgrades when they are ordered,
      and will be added to the basic SkySupport agreement when it is to be
      renewed.

3.    SkyStream will register all units by serial number. Customer service
      calls must be verified by actual serial number of affected unit.

4.    All existing SkySupport customers' terms will be honored until expiration
      of the current annual service plan. Renewals will be assessed at the rate
      established in this document.

5.    All returns will be handled by RMA process. SkyStream will issue an RMA
      number that must accompany any product repair or return unit.

                               STANDARD WARRANTY

SkyStream highly recommends that all customers obtain full customer service
with the SkySupport plan. Should customers opt not to select SkySupport,
SkyStream offers a standard warranty to all direct customers. This 14-month,
non-renewable warranty (after ship date) shall include the following:

Replacement by standard delivery, FOB Mountain View, CA USA.

Product or parts repair and/or diagnosis within 30 days after receipt of
defective unit. Customer pays for shipment to SkyStream, and SkyStream pays for
shipment back to customer.

Customers are eligible to receive Level 1 and Level 2 upgrades during the
Warranty Period. Level 3 Upgrades are only available to SkySupport customers.

                                       33
<PAGE>   38
                             EXHIBIT D (continued)

PRODUCT AND SKYSUPPORT PRICING

PRICE LIST 1:  TRANSFER PRICES FROM SKYSTREAM TO HARRIS

<TABLE>
<CAPTION>
                                                                                          Support Fees - Year Number
                                                                         -----------------------------------------------------------
                Description                       Order         Price       1          2         3         4          5+    Notes
                                                  Number                 --------------------------------------------------
                                                                           [*]        [*]       [*]       [*]        [*]
------------------------------------------------------------------------------------------------------------------------------------
<S>                                            <C>            <C>       <C>        <C>       <C>       <C>        <C>      <C>
DBN-35 with standard warranty                  S141001        $[*]      $[*]       $[*]      $[*]      $[*]       $[*]

Preferred Option:  DBN-36 with SkySupport
 Coverage                                      S141001+       $[*]      $[*]       $[*]      $[*]      $[*]       $[*]

                                               S901001                                                                     pick one

DBN-35J with standard warranty                 S151001        $[*]      $[*]       $[*]      $[*]      $[*]       $[*]

Preferred Option: DBN-36J with                 S151001+
 SkySupport Coverage                           S901001        $[*]      $[*]       $[*]      $[*]      $[*]       $[*]

Network system config. application                                      $[*]       $[*]      $[*]      $[*]       $[*]

Remote access application                                               $[*]       $[*]      $[*]      $[*]       $[*]     standard
System monitor/alarm application                                        $[*]       $[*]      $[*]      $[*]       $[*]       DBN-
ATSC Addressable Sections packetization                                                                                      35/35J
 software                                     default         [*] .     $[*]       $[*]      $[*]      $[*]       $[*]     features
Dual Power Supplies                                                     $[*]       $[*]      $[*]      $[*]       $[*]
SMPTE-310 Transport Stream Input/
 Output card                                                            $[*]       $[*]      $[*]      $[*]       $[*]
One 10/100 Ethernet card                                                $[*]       $[*]      $[*]      $[*]       $[*]
Extra 10/100 Ethernet card                     S301402        $[*]      $[*]       $[*]      $[*]      $[*]       $[*]
Watchdog/Alarm "Relay" card                    S304001        $[*]      $[*]       $[*]      $[*]      $[*]       $[*]
Rack-Mount Assembly Kit (Rails)                S804001        $[*]      $[*]       $[*]      $[*]      $[*]       $[*]
RS-232 "Com" data input card (4 ports/
 card) (max: 4 cards)                          S301004        $[*]      $[*]       $[*]      $[*]      $[*]       $[*]
RS-422 "Sync" data input card
 (2 ports/card) (max: 1 card)                  S301102        $[*]      $[*]       $[*]      $[*]      $[*]       $[*]     Level 3
ATM (fiber) data input card (max: 1 card)      S301201        $[*]      $[*]       $[*]      $[*]      $[*]       $[*]     features
Standard data ports: 8 TCP. 8 UDP. 16 File     default         [*]      $[*]       $[*]      $[*]      $[*]       $[*]     (HW and
Any changes to standard data port (TCP,                                                                                       SW)
 UDP, File) configuration                      pick one
16 TCP                                         S502102
32 TCP                                         S502103        $[*]      $[*]       $[*]      $[*]      $[*]       $[*]
16 UDP                                         S502201
32 UDP                                         S502202
SkySupport Coverage                                           Standard Warranty
12 months, renewable every year                               12 months, non-renewable
telephone support, 7x24                                       telephone support, 5x8
access to Level 1 Features (Bug Fixes)                        access to Level 1 Features (Bug Fixes)
access to Level 2 Features (Feature
  Improvements)                                               access to Level 2 Features (Feature Improvements)
access to Level 3 Features (Feature Upgrades)                 No access to Level 3 Features (Feature Upgrades)
Next day replacement parts                                    No replacement parts, 30-day RMA only
</TABLE>

* Certain information on this page has been omitted and filed
  separately with the Commission. Confidential treatment has
  been requested with respect to the omitted portions.

                                       34

<PAGE>   39
                            EXHIBIT E - SPARE PARTS

DBN-35 ATSC Data Broadcast Injector
DBN-35J ATSC Data Broadcast Injector System with JetStream Express Data
Broadcast Software

                                       35
<PAGE>   40
                       EXHIBIT F -- NON-EXCLUSIVE PRODUCTS

                                       36<PAGE>   1
                                                                   EXHIBIT 10.17

                             SKYSTREAM CORPORATION

                           NONEXCLUSIVE INTERNATIONAL
                     VALUE ADDED RESELLER ("VAR") AGREEMENT

This Agreement, dated December 1, 1999, is made between SkyStream Corporation
("SKYSTREAM"), a California corporation doing business at 555 Clyde Avenue,
Suite B, Mountain View, California 94043 and International Datacasting
Corporation, a corporation organized under the laws of Canada ("Reseller"),
doing business at 2680 Queensview Drive, Ottawa, Ontario, Canada, K2B 8H6.

                                    RECITALS

A.   SKYSTREAM sells those certain digital broadcast networking products known
     as the Integrator product family, as defined in Exhibit C ("Products" as
     further defined below).

B.   Reseller wishes to have certain non-exclusive rights to market and
     distribute such Products worldwide in combination with Reseller's products.

THEREFORE, SKYSTREAM and Reseller agree as follows:

1.   DEFINITIONS.

     1.1  Dollars. "Dollars" means United States Dollars.

     1.2  End User. "End User" means a customer of Reseller, who is authorized
          by an end user software license agreement to use the Software on the
          purchased Products for the End User's internal business purposes.

     1.3  Effective Date. "Effective Date" means the date first written above.

     1.4  Intellectual Property Rights. "Intellectual Property Rights" means
          patent rights (including but not limited to rights in patent
          applications or disclosures and rights of priority), copyright
          (including but not limited to rights in audiovisual works and moral
          rights), trade secret rights, and any other intellectual property
          rights recognized by the law of each applicable jurisdiction.

                                      -1-

<PAGE>   2
     1.5  Marks. "Marks" means SKYSTREAM's trademarks, trade names, service
          marks, and/or service names.

     1.6  Reseller Products. "Reseller Products" means the computer software
          and/or hardware and related documentation that are distributed by
          Reseller in combination with the Products.

     1.7  Products. "Products" means SKYSTREAM Integrators, as listed in
          Exhibit C, including accompanying Software and any additions and
          enhancements provided for use with the units.

     1.8  Software. "Software" means SKYSTREAM Integrator software as listed in
          Exhibit C.

     1.9  Source Code. "Source Code" means software in human-readable form,
          including programmers' comments, data files and structures, header
          and includes files, macros, object libraries, programming tools not
          commercially available, technical specifications, flowcharts and
          logic diagrams, schematics, annotations and documentation reasonably
          required or necessary to enable an independent third party programmer
          with reasonable programming skills to create, operate, maintain,
          modify and improve the software without the help of any other person.

2.   DISTRIBUTION OF PRODUCTS

     2.1  Reseller Appointment. SKYSTREAM hereby appoints Reseller as a
          nonexclusive reseller of the Products to End-Users for End User's
          internal use in conjunction with Reseller Products.

     2.2  Added Value. In the exercise of Reseller's rights under this
          Agreement, Reseller will sell the Products to the End User usually in
          combination with Reseller Products.

     2.3  Relabeling. Subject to prior approval SKYSTREAM, Reseller may relabel
          the Products with Reseller's name and logo.

     2.4  Documentation. Subject to the terms of this Agreement, SKYSTREAM
          grants Reseller a nonexclusive license during the term of this
          Agreement to use, modify, create derivative works of and distribute
          SKYSTREAM's documentation for the Products to the End User. SKYSTREAM
          will make available SKYSTREAM's End User documentation to Reseller, as
          it is updated and modified from time to time, without additional
          charge. Reseller will provide copies of such modifications to
          SKYSTREAM upon SKYSTREAM's request.

                                      -2-
<PAGE>   3
2.5   Marketing Collateral. SKYSTREAM agrees to sell, subject to availability,
      copies of its marketing literature to Reseller on an at-cost basis.
      SKYSTREAM reserves all rights associated with such marketing literature.
      Reseller agrees to obtain prior written approval of SKYSTREAM's Vice
      President of Marketing for all marketing literature it shall prepare that
      pertain to the Products.

2.6   Grant of License. Subject to the terms of this Agreement, SKYSTREAM
      grants Reseller a limited license to use the Software in connection with
      the demonstration of the products and in connection with the configuration
      and support of the Products for End Users. All such use shall be subject
      to the terms of the End User Software License attached hereto as Exhibit
      A.

2.7   No Sale of Services. Reseller will not use the Products in any manner to
      provide service bureau, time sharing, or other computer services to third
      parties.

2.8   No Reverse Engineering. Reseller will not disassemble, decompile, or
      reverse engineer the Products.

2.9   Limited Rights. Reseller's rights in the Products will be limited to
      those expressly granted in this Agreement.

2.10  Terms and Conditions of Sale. Except as modified herein, all sales to
      Reseller are subject to SKYSTREAM's Terms and Conditions of Sale, a copy
      of which is attached hereto as Exhibit B, and which is made a part of
      this Agreement as if set forth herein.

2.11  Pricing to Reseller. The price paid by Reseller to SKYSTREAM shall be
      established at the time of acceptance of Reseller's purchase order. [*].
      SKYSTREAM reserves the right to adjust the prices paid by Reseller at
      SKYSTREAM's discretion with 60 days notice. Nothing in this Agreement will
      be construed to restrict Reseller's ability to set prices to its
      customers.

3.    SOFTWARE

3.1   Limited Distribution. Reseller is permitted to market and distribute
      SKYSTREAM Software only in connection with the sale of the Products to
      the End User.

3.2   End User Software License.

      (a)   Reseller agrees:

            (i)   to include the following language in all sales quotations and
                  offers to sell the Products:

* Certain information on this page has been omitted and filed
  separately with the Commission. Confidential treatment has
  been requested with respect to the omitted portions.

                                      -3-
<PAGE>   4
                  "The [name of Product] is sold subject to the terms on an End
                  User Software License. The use of the [name of Product] is
                  contingent upon the acceptance by the purchaser of the terms
                  of the End User Software License."

            (ii)  to provide a copy of the End User Software License, in the
                  form attached hereto as Exhibit A, to any potential purchaser
                  who shall request a copy prior to sale;

           (iii)  to package and to install the Products in such a manner that
                  Reseller's customer is provided with a meaningful opportunity
                  to review and agree to the End User Software License before
                  installing or using any of the Products; and

            (iv)  to agree to accept for return and refund any unused Products
                  in the event that Reseller's customer does not agree to accept
                  any of the terms of the End User Software License or of the
                  terms of any other software license required to use the
                  Products.

      In consideration of SkyStream's not requiring a written End-User Software
      License signed by Reseller's customer as a precondition to the sale or
      transfer of the Products, Reseller agrees to indemnify SkyStream for any
      and all damages that may arise as a result of (i) Reseller's breach of
      Section 3.2(a).

3.3   License Only. Notwithstanding the use herein of the word "sell" and
      variants thereof, all Software is licensed to the Reseller and the End
      User and is not sold. SKYSTREAM, or the licensors through which SKYSTREAM
      obtained the rights to distribute Software, retain title to the Software,
      whether the Software is separate or combined with any other products,
      including Reseller Products, and Reseller shall transfer Software only to
      the extent that such transfer is incidental to the resale or lease of the
      Products. The End User is licensed by SKYSTREAM directly to use the
      Software solely in conjunction with the use of the Products and further
      subject to the terms of the End User Software License.

3.4   Proprietary Software. The Software is proprietary to SKYSTREAM and/or its
      suppliers and is copyrighted. Without SKYSTREAM's prior written approval,
      Reseller shall not separate the Software from the Products as shipped by
      SKYSTREAM, nor shall Reseller disassemble, de-compile, reverse-engineer,
      copy, modify, or otherwise change any of the Software or its form.
      Reseller shall protect the Software from any disclosure or use in
      violation of this Agreement. Reseller shall not be entitled to receive
      Source Code.

                                      -4-
<PAGE>   5
3.5  Software Revisions. In the event SKYSTREAM, at its sole discretion,
     provides Reseller with revised copies of the Software, Reseller shall,
     according to SKYSTREAM's instructions, replace copies of the Software from
     the Products with the revised Software. Reseller shall dispose of the
     replaced Software in accordance with SKYSTREAM's instructions. SKYSTREAM
     shall have the right to inspect Reseller's inventory of Software and
     replaced Software at any time on reasonable notice.

4.   MAINTENANCE, SUPPORT, AND TRAINING.

4.1  By Reseller. Reseller will be responsible for providing the following
     support to the End User: installing the Products as needed; training the
     End User; and providing all direct first level technical support to the End
     User, including problem analysis and using its reasonable efforts to
     provide solutions and error correction for the products consistent with
     Reseller's standard service and support policies and procedures.

     Reseller agrees to provide a substantially similar level of support to that
     SkyStream provides to its direct customers, which must include, at a
     minimum, 24x7 telephone support, and at least 2 hours of on-site training
     to the End User. A copy of SkyStream's direct SkySupport service agreement
     is attached in Exhibit E. Reseller agrees to use best efforts to ensure
     that training of Reseller's personnel occurs within the first 90 days of
     the execution of this Agreement. Reseller agrees to maintain a minimum of 2
     fully trained service personnel at all times, which personnel must attend
     training, to be paid for by Reseller, at least once every 12 months.

4.2  By SKYSTREAM. SKYSTREAM will not be responsible for providing support to
     the End User. SKYSTREAM will provide Reseller with:

     (i)   commercially reasonable efforts to correct any non-conformity with
           the Software Feature Specification Document for the applicable
           version of the Software:

     (ii)  technical training, to consist of one training class given over one
           and one-half (1 1/2) eight-hour days and which may be attended by up
           to three Reseller personnel onsite at SKYSTREAM's Mountain View,
           California office, provided that Reseller pays the travel and living
           expenses of such personnel designated to receive the training, or at
           Reseller's headquarters, provided that Reseller pays the travel and
           living expenses of SKYSTREAM's training personnel; training class for
           additional personnel will be quoted by SKYSTREAM separately;

     (iii) upon continued payment of an annual Maintenance Fee (the "Maintenance
           Fee") in the amount currently set forth on Exhibit D, as SKYSTREAM
           may change from time to time, payable in full with each sale to
           Reseller and

                                      -5-
<PAGE>   6
               thereafter on the nearest of February 15, May 15, August 15 and
               November 15 following the one year anniversary of the date of
               each sale to Reseller, SKYSTREAM agrees to provide reasonable
               access to SKYSTREAM's technical personnel for inquiries from
               Reseller relating to the Products during standard SKYSTREAM
               business hours, generally Monday through Friday from nine a.m. to
               five p.m. Pacific Standard Time, and access to SKYSTREAM's
               technical call center 24 hours a day, 7 days a week, where
               SKYSTREAM agrees to respond to any Reseller inquiry within four
               business hours of initial call placement. In the case of upgrades
               to a previously purchased Product, the Maintenance Fee shall be
               payable on the upgrade at the time of sale to Reseller and
               thereafter at the time the Maintenance Fee is payable on the
               Product for which the upgrade was purchased. Payment of this
               recurring Maintenance Fee does not entitle Reseller or End User
               to, and shall not be construed as either full or partial payment
               for, software upgrades with new functionality as defined by
               SKYSTREAM;

          (iv) upon fourteen days notice, technical consulting services at a
               location to be designated by Reseller, at SKYSTREAM's current
               hourly rate for such services as may be adjusted by SKYSTREAM
               from time to time, provided that Reseller shall also reimburse
               SKYSTREAM for all associated travel and living expenses in
               connection with such services. SKYSTREAM's current technical
               consulting hourly rate is included on SKYSTREAM's price list for
               sales to Resellers, a copy of which is attached hereto as Exhibit
               D.

     4.3  Repairs Support. SKYSTREAM shall provide repair or replacement support
          for all equipment provided, at SKYSTREAM's then-current prices,
          pursuant to this Agreement for a period of at least five (5) years
          from delivery of a purchased unit, provided, however, that such
          replacement support may consist of equipment with comparable
          functionality as determined at SKYSTREAM's sole discretion.

     4.4  Quality Control System. Upon reasonable notice, SkyStream agrees to
          provide Reseller reasonable access to the manufacturing areas of
          SkyStream's facility for purposes of observing SkyStream's quality
          control procedures.

5.   CONFIDENTIALITY.

     5.1  Obligations. Each party agrees that it will not disclose to any third
          party or use any Products or other Confidential Information disclosed
          to it by the other party, except to carry out its rights and
          obligations under this Agreement, and that it will take all reasonable
          measures to maintain the confidentiality of all Confidential
          Information in its possession or control, which will in no event be
          less than the measures it uses to maintain the confidentiality of its
          own information of similar importance. Confidential Information
          includes all information designated by a party as

                                      -6-
<PAGE>   7
          confidential or proprietary within a reasonable time of its disclosure
          or which a reasonable person would expect to treat as confidential.

     5.2  Exceptions. "Confidential Information" will not include information
          that:

          (i)   is in or enters the public domain without breach of this
                Agreement;

          (ii)  is lawfully obtained by the receiving party without breach of a
                nondisclosure obligation;

          (iii) is independently developed or already in the possession of the
                receiving party as shown by the receiving party's
                contemporaneous records; or,

          (iv)  is required by law to be disclosed, provided that the receiving
                party gives prompt written notice of such requirement prior to
                disclosure.

     5.3  Injunctive Relief. Each party acknowledges that the improper
          disclosure of the other's confidential information could cause
          substantial harm to the other party that could not be remedied by the
          payment of damages alone. Accordingly, either party will be entitled
          to preliminary and permanent injunctive relief and other equitable
          relief for any breach of this Agreement or misuse of Confidential
          Information by SKYSTREAM, Reseller or the End User, as applicable.

6.   INTELLECTUAL PROPERTY RIGHTS.

     6.1  Notices. Reseller will not delete or in any manner alter the
          Intellectual Property Rights notices of SKYSTREAM and its suppliers,
          if any, appearing on the Products as delivered to Reseller.

     6.2  Reseller's Duties. Reseller will take customary measures in the
          marketing and distribution of the Products to protect SKYSTREAM's
          Intellectual Property Rights in the Products, no less than the extent
          to which Reseller protects its Intellectual Property Rights in
          Reseller's Products, and will, to the extent lawful, report promptly
          to SKYSTREAM any confirmed infringement of such rights of which
          Reseller becomes aware.

     6.3  Trademarks. Subject to the terms and conditions of this Agreement,
          SKYSTREAM grants Reseller a nonexclusive license for the term of this
          Agreement to use the Marks in Reseller's marketing of the Products,
          provided that such use is in accordance with SKYSTREAM's trademark
          usage guidelines then in effect. Such use must reference the Marks as
          being owned by SKYSTREAM. Nothing in this Agreement grants Reseller
          ownership or any rights in or to use the Marks, except in accordance
          with this license, and Reseller's use of the Marks will inure to the
          benefit of SKYSTREAM. The rights granted to Reseller in this license
          will terminate upon any

                                      -7-
<PAGE>   8
          termination or expiration of this Agreement. upon such termination or
          expiration, Reseller will no longer make any use of any Marks.
          SKYSTREAM will have the exclusive right to own, use, hold, apply for
          registration for, and register the Marks during the term of, and
          after the expiration or termination of, this Agreement; Reseller will
          neither take nor authorize any activity inconsistent with such
          exclusive right.

7.   INFRINGEMENT INDEMNITY

     7.1  Reseller Warranty.

          (a)  Reseller warrants that it owns all the rights to the
               Confidential Information provided to SKYSTREAM, and that such
               items are free of any restrictions, settlements, judgments, or
               adverse claims. Reseller warrants that it has the full power and
               authority to supply and to disclose such information to
               SKYSTREAM.

          (b)  Reseller warrants that it has not improperly or unlawfully
               acquired the information and processes submitted to SKYSTREAM.

     7.2  Reseller Indemnification. Reseller agrees to indemnify SKYSTREAM
          against, and to hold SKYSTREAM harmless of and from, any loss, cost,
          damage, liability, suit, judgment, or expense, including legal fees
          (collectively, "Harm") arising out of any breach of the warranties
          set forth in Section 7.1.

     7.3  SKYSTREAM Indemnification and Defense. Subject to the limitations
          hereinafter set forth, Reseller agrees that SKYSTREAM has the right
          to defend, or at its option to settle, and SKYSTREAM agrees, at its
          own expense, to defend or at its option to settle, any claim, suit or
          proceeding (collectively, "Action") brought against Reseller alleging
          that the use or distribution of the Products infringes or
          misappropriates any copyright or trade secret. SKYSTREAM shall have
          sole control of any such Action or settlement negotiations, and
          SKYSTREAM agrees to pay, subject to the limitations set forth in
          Sections 7 and 8, any settlement costs or final judgment entered
          against Reseller as a result of such infringement. Reseller agrees
          that SKYSTREAM at its sole option shall be relieved of the foregoing
          obligations unless Reseller notifies SKYSTREAM promptly in writing of
          such Action and gives SKYSTREAM authority to proceed as contemplated
          herein, and, at SKYSTREAM's expense, gives SKYSTREAM proper and full
          information and assistance to settle and/or defend any such Action. If
          the Products, or any part thereof, are, or in the opinion of
          SKYSTREAM may become, the subject of any Action for infringement of
          any intellectual property right, or if a judicial or other
          governmental authority enjoins the use or distribution of Products as
          a result of an Action defended by SKYSTREAM, then SKYSTREAM may, at
          its option and expense; (i) procure for Reseller the right to
          distribute or use, as appropriate, the Products; (ii) replace the
          Products with other suitable Products; (iii) suitably modify the
          Products; or (iv) if the foregoing

                                      -8-
<PAGE>   9
          alternatives cannot be accomplished on a commercially reasonable
          basis as determined in SKYSTREAM's sole discretion, require Reseller
          to return such Products and refund the aggregate payments paid
          therefor by Reseller, less a reasonable sum for use and damage.
          Reseller shall indemnify and hold harmless SKYSTREAM from and against
          any and all third party claims arising out of the distribution of
          Products after SKYSTREAM has required Reseller to return such
          Products or arising out of any exclusions to SKYSTREAM's
          indemnification obligations set forth in Section 7.4. SKYSTREAM shall
          not be liable for any costs or expenses incurred without its prior
          written authorization.

     7.4  SKYSTREAM limitations.

          (a)  Notwithstanding the provisions of Section 7.3 above, SKYSTREAM
               assumes no liability for (i) any infringement claims (including
               without limitation combination or process patents) arising out of
               the combination of a Product or use with any other hardware,
               software or other items not provided by SKYSTREAM to the extent
               such infringement would not have occurred absent such combination
               or use; (ii) the modification of the Products, or any part
               thereof, unless such modification was made by SKYSTREAM; or (iii)
               any infringement claims arising out of SKYSTREAM's compliance
               with Reseller's specifications or designs.

          (b)  SKYSTREAM's obligation to indemnify Reseller does not extend to
               any Action arising from a claim of infringement by the
               manufacture, use or sale of Products that conform to any
               technical standard adopted by an international organization such
               as the International Organization for Standardization, the
               International Electrotechnical Commission, and the CCITT/ITU,
               including, without limitation, the MPEG, JPEG and H.261
               standards.

     7.5  Entire Liability. THE FOREGOING PROVISIONS OF THIS SECTION 7 STATE
          THE ENTIRE LIABILITY AND OBLIGATION OF SKYSTREAM AND THE EXCLUSIVE
          REMEDY OF RESELLER AND ITS CUSTOMERS WITH RESPECT TO ANY ALLEGED
          INFRINGEMENT OF COPYRIGHTS, TRADEMARKS, PATENTS OR OTHER INTELLECTUAL
          PROPERTY RIGHTS BY THE PRODUCTS.

8.   LIMITATIONS OF LIABILITY.

     8.1  Total Liability. Except as set forth in Section 7 each party's
          liability for a breach of this Agreement under this Agreement will be
          limited to the Payments received or due from Reseller under this
          Agreement.

     8.2  Exclusion of Damages. Except as set forth in Section 7 neither party
          will be liable to the other for any special, incidental, or
          consequential damages, whether based on

                                      -9-

<PAGE>   10
          breach of contract, tort (including negligence), product liability, or
          otherwise, and whether or not such party has been advised of the
          possibility of such damage.

     8.3  No Warranty.  Except as set forth in Section 7 and except as set forth
          in Section 13 of the Terms and Conditions of Sale, attached as Exhibit
          B, SkyStream makes no warranty, express or implied, in connection with
          the Products, including the results and performance thereof, including
          without limitation any implied warranties of merchantability or
          fitness for a particular purpose or noninfringement.

9.   TERMINATION.

     9.1  Term. The term of this Agreement will begin on the Effective Date and
          will continue for a period designated in Exhibit D,  unless it is
          terminated earlier in accordance with the provisions hereof. This
          Agreement may be renewed for additional periods upon the mutual
          written agreement of the parties, although each party acknowledges
          that the other is under no obligation to do so.

     9.2  Events of Termination. Either party will have the right to terminate
          this Agreement (i) for convenience and without cause, upon thirty (30)
          days written notice to the other party, or (ii) if the other party
          breaches any material term or condition of this Agreement and fails to
          cure such breach within thirty (30) days after written notice.

     9.3  Effect of Termination.

          (a)  Upon termination or expiration of this Agreement, Reseller will
               (except as specified in subsection (b) below) immediately return
               to SKYSTREAM or (at SKYSTREAM's request) destroy all Source Code,
               Software (except for Software residing on a SKYSTREAM Product)
               and other Confidential Information in its possession or control,
               and an officer of Reseller will certify to SKYSTREAM in writing
               that Reseller has done so.

          (b)  Upon termination or expiration of this Agreement, SKYSTREAM will
               have the option, in its sole discretion, of:

               (i)  electing, at any time, to offer maintenance and support for
                    the Products directly to End Users in accordance with
                    SKYSTREAM's then applicable terms and conditions for such
                    services; or

               (ii) permitting Reseller to continue to provide maintenance and
                    support for the Products to its End Users upon the terms and
                    conditions of Section 4.

                                      -10-

<PAGE>   11
     9.4  Nonexclusive Remedy. The exercise by either party of any remedy under
          this Agreement will be without prejudice to its other remedies under
          this Agreement or otherwise.

     9.5  Survival. The rights and obligations of the parties contained in
          Sections 5, (Confidentiality), 6 (Intellectual Property Rights), 7
          (Infringement Indemnity), 8 (Limitations of Liability), 9
          (Termination) and 10 (General) will survive the termination or
          expiration of this Agreement.

10.  GENERAL

     10.1 Publicity. Reseller agrees to use best efforts in the preparation of
          a press release announcing the execution of this Agreement, [*]

     10.2 Binding Effect. This Agreement will bind and inure to the benefit of
          each party's permitted successors and assigns.

     10.3 Governing Law. This Agreement will be governed by and construed in
          accordance with the laws of the State of California applicable to
          agreements between California residents entered into and to be
          performed entirely within California, without reference to conflict
          of law principles. Any dispute or claim arising out of this
          Agreement will be resolved by binding arbitration in the county of
          Santa Clara in accordance with the complex commercial litigation rules
          of the American Arbitration Association. The arbitrator will have the
          power to grant any form of relief, including preliminary and
          permanent injunctive relief, which a judge in California with
          jurisdiction could fashion, and judgment on any award may be entered
          in any court in California with jurisdiction. Nonetheless, the
          parties may seek temporary or permanent injunctive relief from any
          court in California with jurisdiction without breaching this Section
          10.3 or otherwise abridging the authority of the arbitrator.

     10.4 Severability. If any provision of this Agreement is found invalid or
          unenforceable, that provision will be enforced to the maximum extent
          permissible and the other provisions of this Agreement will remain in
          force.

     10.5 Force Majeure. Except for payments due under this Agreement, neither
          party will be responsible for any failure to perform due to causes
          beyond its reasonable control (each a "Force Majeure"), including,
          but not limited to, acts of God, war, riot, embargoes, acts of civil
          or military authorities, denial of or delays in processing of export
          license applications, fire, floods, earthquakes, accidents, strikes,
          or fuel crises, provided that such party gives prompt written notice
          thereof to the other party. The

* Certain information on this page has been omitted and filed
  separately with the Commission. Confidential treatment has
  been requested with respect to the omitted portions.

                                      -11-
<PAGE>   12
     time for performance will be extended for a period equal to the duration
     of the Force Majeure, but in no event longer than sixty days.

10.6 Notices. All notices under this Agreement will be deemed given when
     delivered personally, sent by confirmed facsimile transmission, or sent by
     certified or registered U.S. mail or recognized express courier, return
     receipt requested, to the address as first shown on this Agreement or as
     may otherwise be specified by either party to the other in accordance with
     this section.

10.7 Independent Contractors. The parties to this Agreement are independent
     contractors. There is no relationship of partnership, joint venture,
     employment, franchise or agency between the parties. Neither party will
     have the power to bind the other or incur obligations on the other's
     behalf without the other's prior written consent.

10.8 Waiver. No failure of either party to exercise or enforce any of its
     rights under this Agreement will act as a waiver of such rights.

10.9 Entire Agreement. This Agreement and its exhibits (A, B and C) are the
     complete and exclusive agreement between the parties with respect to the
     subject matter hereof, superseding and replacing any and all prior
     agreements, communications, and understandings (both written and oral)
     regarding such subject matter. This Agreement may only be modified, or any
     rights under it waived, by a written document executed by both parties.

                  [Remainder of page Intentionally Left Blank]

                                      -12-
<PAGE>   13
The parties have caused this Agreement to be executed by their duly authorized
representatives as of the Effective Date.

RESELLER                                      SKYSTREAM CORPORATION

Signature: /s/ PHIL BOLGE                     Signature: /s/ JAMES D. OLSON
           ---------------------------------             -----------------------
Name: Phil Bolge                              Name: James D. Olson
      --------------------------------------        ----------------------------
Title: CFO                                    Title: President & CEO
       -------------------------------------         ---------------------------
Date: Jan 11/2000                             Date:  12/22/99
       -------------------------------------         ---------------------------
Facsimile:                                    Facsimile:
       -------------------------------------         ---------------------------

                 [Signature Page to Nonexclusive VAR Agreement]

                                      -13-
<PAGE>   14
                                   EXHIBIT A

                             SkyStream CORPORATION

                           END USER SOFTWARE LICENSE

                         SOFTWARE LICENSE AND WARRANTY

ATTENTION!

Use of the software program on the enclosed disks and/or installed on the
computer is subject to the terms of the License Agreement printed on the license
card, in the license booklet, or in the user documentation. You should not use
this software until you have read the License Agreement.

By using the software, you signify that you have read the License Agreement and
accept its terms.

LICENSE

SkyStream hereby grants to the Customer a limited, non-exclusive to use the
Software provided solely on the terms and conditions contained herein.
"Software" means each software program provided by SkyStream in machine
readable, object, printed or interpreted form.

LIMITATIONS ON USE

The Software is licensed to the Customer solely for Customer's internal use on
the purchased SkyStream equipment and may not be used for any other purpose or
application.

The customer is licensed to use the Software only on the designated SkyStream
equipment. The Software may not be used by Customer on any other computer, on
any other SkyStream or similar equipment, or at any other location, except as
agreed by SkyStream in writing.

Customer will not:

- Copy all or any part of the Software, except that Customer may make one copy
  of the Software solely for backup purposes for its own exclusive use, provided
  that customer shall reproduce and include on such backup copy SkyStream's
  proprietary rights notices.

- Use, print, copy, modify or display the software, in whole or in part, except
  as specifically authorized by this Agreement.

- Sublicense, assign, resell, or otherwise transfer the Software to any third
  party. Any attempted such sublicense, sale, assignment or transfer shall be
  void and shall be deemed a material breach of this agreement.

- Reverse engineer, duplicate or otherwise reproduce the Software.
<PAGE>   15
Customer acknowledge that this Agreement does not grant to Customer, and
Customer will not acquire hereby, any rights to patents, copyrights, trade
secrets, trade names, trademarks (whether registered or unregistered), or any
other proprietary rights in or to the Software, all of which are expressly
retained by SkyStream.

Customer acknowledges that the laws and regulations of the United States may
restrict the export and re-export of the Software or media in any form without
appropriate United States and foreign government approval.

If Customer is a unit or agency of the United States Government or is acquiring
the Software and Documentation for any such unit or agency, the following apply:

o    If the unit or agency is the Department of Defense (DOD), the Software and
     its accompanying documentation are classified as "commercial computer
     software" and "commercial computer software documentation," respectively,
     and, pursuant to DFAR Section 227.7202, the Government is acquiring the
     Software and such documentation with terms of this Agreement.

o    If the unit or agency is other than DOD, the Software and its accompanying
     documentation are classified as "commercial computer software" and
     "commercial computer software documentation," respectively, and, pursuant
     to FAR Section 12.212, the Government is acquiring the Software and such
     documentation in accordance with terms of this Agreement.

WARRANTY

SkyStream makes no warranty, express or implied, in connection with the
Software, including the results and performance thereof, including without
limitation any implied warranties of merchantability or fitness for a
particular purpose or non-infringement.

LIMITATION OF LIABILITY

The maximum liability of SkyStream to Customer for damages relating to this
agreement for any and all causes whatsoever, and Customer's maximum remedy,
regardless of the form of action, whether in contract, tort or otherwise, shall
be limited to the total fees paid by Customer to SkyStream hereunder. In no
event shall SkyStream be liable for any lost data or content, lost profits, or
business interruption or for any indirect, incidental, special, consequential,
exemplary or punitive damages arising out of or relating to the Software
provided hereunder, even if SkyStream has been advised of the possibility of
such damages.

TECHNICAL SUPPORT

For technical support, contact SkyStream Customer Support through the World Wide
Web (www.skystream.com) or via e-mail (support@skystream.com).

                                       2

<PAGE>   16
                                   EXHIBIT B

                             SKYSTREAM CORPORATION

                          TERMS AND CONDITIONS OF SALE

1.    Applicability of Terms and Conditions of Sale

      THE FOLLOWING TERMS AND CONDITIONS OF SALE ("AGREEMENT") APPLY TO ALL
      QUOTATIONS FOR PRODUCTS ("PRODUCTS") ISSUED BY SKYSTREAM CORPORATION
      ("SKYSTREAM") TO BUYER, SKYSTREAM'S ACCEPTANCE OF ANY BUYER PURCHASE
      ORDER IS EXPRESSLY CONDITIONED ON BUYER'S ASSENT TO THIS AGREEMENT. NO
      TERMS OR CONDITIONS SET FORTH IN BUYER'S PURCHASE ORDER, TO WHICH NOTICE
      OF OBJECTION IS HEREBY GIVEN, OR IN ANY FUTURE CORRESPONDENCE BETWEEN
      BUYER AND SKYSTREAM SHALL ALTER OR SUPPLEMENT THIS AGREEMENT UNLESS BOTH
      PARTIES HAVE AGREED IN WRITING TO MODIFY THIS AGREEMENT. Neither
      SKYSTREAM's commencement of performance nor delivery shall be deemed or
      construed as acceptance of Buyer's additional or different terms and
      conditions.

2.    Price

      2.1   Unless otherwise stated in writing by SKYSTREAM, all prices quoted
            are in U.S. Dollars and expire 30 days after the date of a
            quotation.

      2.2   Unless otherwise stated in writing by SKYSTREAM, all prices quoted
            shall be exclusive of transportation, insurance, federal, state,
            local, use, sales, property (ad valorem) and similar taxes or duties
            now in force or hereafter enacted. Buyer agrees to pay all taxes,
            fees or charge of any nature whatsoever imposed by any governmental
            authority on, or measured by, the transaction between Buyer and
            SKYSTREAM, in addition to the prices quoted or invoiced. In the
            event that SKYSTREAM is required to collect the foregoing, such
            amounts will appear as separate items on SKYSTREAM's invoice. Buyer
            agrees to provide SKYSTREAM with a valid resale certificate for the
            Products purchased for resale.

      2.3   Notwithstanding anything to the contrary herein, in the event a
            quotation is issued pursuant to a current written purchase agreement
            between SKYSTREAM and Buyer, the quotation shall remain valid for
            the period specified or until the expiration date of the ordering
            period of any such purchase agreement, whichever occurs first.

                                       3
<PAGE>   17
3.   Payment Terms

     3.1  All invoices are payable thirty (30) days from date of invoice. No
          discounts are authorized. Interest on late payments shall accrue at
          the rate of one and one half percent (1.5%) per month or the highest
          legal rate, whichever is lower. SKYSTREAM may at any time require
          that shipments be made on a C.O.D. or cash-with-order basis.

     3.2  Until the purchase price and all other charges payable to SKYSTREAM
          hereunder have been received in full, SKYSTREAM hereby retains, and
          Buyer hereby grants to SKYSTREAM, a security interest in the
          Products delivered to Buyer and any proceeds therefrom. Buyer agrees
          to promptly execute all documents reasonably requested by SKYSTREAM
          to perfect and protect such security interest. In the event Buyer
          fails promptly to execute such documents, Buyer hereby appoints
          SKYSTREAM its attorney-in-fact for the sole purpose of executing such
          documents, which appointment shall be a power coupled with an
          interest and shall be irrevocable.

     3.3  Should Buyer become delinquent in the payment of any sum due
          hereunder, SKYSTREAM shall not be obligated to continue performance
          hereunder, including without limitation shipment of any previously
          accepted orders.

     3.4  Buyer warrants to SKYSTREAM that it is financially solvent on the
          date on which it places an order and expects to be solvent on the
          date of receipt of shipment. SKYSTREAM reserves the right to change
          the credit terms provided herein, when in SKYSTREAM's opinion the
          financial condition or previous payment record of Buyer so warrants.

4.   Delivery Dates

     4.1  All shipments are subject to SKYSTREAM's availability schedule.
          SKYSTREAM will use commercially reasonable efforts to meet any
          delivery date(s) requested in Buyer's order; provided however, that
          SKYSTREAM will not be liable under any circumstances for its failure
          to meet such delivery date(s). Any delivery dates provided by
          SKYSTREAM to Buyer are best estimates only.

     4.2  SKYSTREAM shall have the right to make partial shipments and payment
          therefore shall be made in the manner described in Section 3.1 above.

     4.3  SKYSTREAM shall have the right to make shipments at any time before
          or after the requested delivery date and payment therefore shall be
          made in the manner described in Section 3.1 above.

                                       4

<PAGE>   18
5.   Packing

     All Products shall be packed, if appropriate, for shipment and storage in
     accordance with standard commercial practices. All packing will conform to
     requirements of carrier's tariffs. When special or export packaging is
     requested or, in the opinion of SKYSTREAM, required under the
     circumstances, the cost of such special import packaging, if not set forth
     on the invoice, will be separately invoiced.

6.   Shipment & Acceptance

     6.1  F.O.B. Point.  All prices are F.O.B. (as defined in the Uniform
          Commercial Code as implemented by the state of California, U.S.A.)
          SKYSTREAM's Mountain View location unless otherwise agreed to in
          writing. Buyer will pay all transportation and insurance charges after
          delivery to the F.O.B. point. Unless otherwise indicated by SKYSTREAM,
          Buyer is obligated to obtain insurance covering damage to the goods
          being shipped.

     6.2  Method of Shipment.  Subject to this Section 6.2, SKYSTREAM will ship
          in accordance with Buyer's shipping instructions. In the absence of
          specific instructions or if Buyer's instructions are deemed
          unsuitable, SKYSTREAM reserves the right to ship by the most
          appropriate method.

     6.3  Title and Risk of Loss.  Title to the Products and risk of loss and
          damage shall pass to Buyer upon delivery to the F.O.B. point.

     6.4  Acceptance. Products shall be deemed to have been accepted by Buyer
          unless Buyer provides written notice to SKYSTREAM to the contrary
          within thirty (30) days from the date of delivery to the F.O.B. point.
          Such written notice shall request a Return Material Authorization
          ("RMA") number and the terms and conditions that apply to warranty
          returns under Section 13.2 shall apply to returns under this Section
          6.4.

7.   Changes and Cancellations

     7.1  Subject to the additional charges set forth below and to Section 7.2,
          standard Product orders may be canceled per the following schedule:

<TABLE>
<CAPTION>
                 DAYS PRIOR TO SCHEDULED              PERCENTAGE OF ORDER
              SHIPMENT DATE TO F.O.B. POINT          WHICH MAY BE CANCELED
<S>                                                  <C>
                      0-30 days                                0%
                     31-60 days                               25%
                     61-90 days                               50%
                       91+ days                              100%
</TABLE>

                                       5

<PAGE>   19
     In the event that Buyer cancels any order more than thirty (30) days but
     fewer than ninety (90) days prior to the scheduled delivery date (to the
     F.O.B. point) for such order, Buyer shall promptly pay to SKYSTREAM a
     restocking/cancellation fee equal to fifteen percent (15%) of the purchase
     price for the Products subject to such order.

     7.2  Standard Product orders may be rescheduled per the following schedule:

<TABLE>
<CAPTION>
-----------------------------            ----------------------------------
   DAYS PRIOR TO SCHEDULED                 PERCENTAGE OF ORDER WHICH MAY BE
SHIPMENT DATE TO F.O.B. POINT                         RESCHEDULED

<S>                                      <C>
        0-30 days                        may not be rescheduled
       31-60 days                        25% may be rescheduled up to four weeks out
       61-90 days                        50% may be rescheduled up to four weeks out
        91+ days                         100% may be rescheduled
</TABLE>

     Orders may only be rescheduled once.  Rescheduled orders may not be later
     canceled.

     7.3  Non-standard Products (customer special and certain designated
          Products) may have different cancellation and reschedule terms, and
          require advance payment.

     7.4  If Buyer terminates individual orders in whole or in part because of
          SKYSTREAM's failure to timely deliver, Buyer's sole remedy shall be
          entitlement to cancel the undelivered quantity of any individual
          order.

     7.5  No cancellation of any purchase order for default shall be effective
          unless SKYSTREAM has failed to correct such alleged default within
          thirty (30) days after receipt by SKYSTREAM of a written notice by
          Buyer of such default.

8.   Software

     "Software" shall mean each software program provided by SKYSTREAM in
     machine-readable, object, printed, or interpreted form.  SKYSTREAM shall
     retain all right, title and ownership of any Software provided to Buyer or
     its end users. SKYSTREAM sells its products to Buyer only to the extent
     that such products consist of non-software items on the terms specified
     herein. Use of the terms "sell," "purchase," "purchase price" and similar
     terms are to be interpreted in accordance with this Section. Use of
     Software is governed by the provisions of the Software License, a copy of
     which Buyer has received and executed.

                                       6
<PAGE>   20
9.   Confidential Information

     9.1  It is understood that during the term of this Agreement, parties may
          receive Confidential Information belonging to the other party.  If any
          Confidential Disclosure Agreements have been executed, such Agreements
          are incorporated herein by reference.

     9.2  Confidential Information shall include information submitted in
          writing, and covers, but is not limited to, Software, designs,
          performance data, system bugs, and test programs.

     9.3  The parties shall protect the disclosed Confidential Information, by
          using the same degree of care, but not less than a reasonable degree
          of care, to prevent the unauthorized use, dissemination or publication
          of the Confidential Information, as the recipient party uses to
          protect its own Confidential Information of a like nature. Both
          SKYSTREAM and Buyer shall restrict the dissemination of such
          Confidential Information only to those personnel of each who require
          access thereto, in order to perform this Agreement.

     9.4  The obligation to protect the Confidential Information shall survive
          for three (3) years following the expiration or termination of this
          Agreement.

     9.5  The obligation to protect the Confidential Information shall not
          extend to information which:

          (a)  Was already lawfully known or acquired by the receiving party
               prior to the receipt from the disclosing party;

          (b)  Is or becomes generally known to the public through no wrongful
               act of the receiving party;

          (c)  Is received from a third party without similar restriction and
               without breach of these or similar conditions; or

          (d)  Is independently developed by the receiving party by personnel
               without access to the Confidential Information.

10.  Intellectual Property Warranty and Indemnity

     10.1 Buyer warrants that it owns all the rights to the information and
          processes including specifications, designs, instructions and
          Confidential Information provided to SKYSTREAM, and that such items
          are free of any restrictions, settlements, judgments, or adverse
          claims. Buyer warrants that it has the full power and authority to
          supply and to disclose such information to SKYSTREAM.

                                       7
<PAGE>   21
     10.2 Buyer warrants that it has not improperly or unlawfully acquired the
          information and processes submitted to SKYSTREAM.

     10.3 Buyer agrees to indemnify SKYSTREAM against, and to hold SKYSTREAM
          harmless of and from, any loss, cost, damage, liability, suit,
          judgment, or expense, including legal fees (collectively, "Harm")
          arising out of any breach of the warranties set forth in Section 10.1
          or Section 10.2.

     10.4 Subject to the limitations hereinafter set forth, Buyer agrees that
          SKYSTREAM has the right to defend, or at its option to settle, and
          SKYSTREAM agrees, at its own expense, to defend or at its option to
          settle, any claim, suit or proceeding (collectively, "Action") brought
          against Buyer alleging that the use or distribution of the Products in
          the United States infringes or misappropriates any copyright or trade
          secret. Notwithstanding the above, SKYSTREAM's obligations with
          respect to any claims to the object code within Products are subject
          to the Software License. SKYSTREAM shall have sole control of any such
          Action or settlement negotiations, and SKYSTREAM agrees to pay,
          subject to the limitations set forth in Section 14, any final judgment
          entered against Buyer as a result of such infringement in any such
          Action defended by SKYSTREAM. Buyer agrees that SKYSTREAM at its sole
          option shall be relieved of the foregoing obligations unless Buyer
          notifies SKYSTREAM promptly in writing of such Action and gives
          SKYSTREAM authority to proceed as contemplated herein, and, at
          SKYSTREAM's expense, gives SKYSTREAM proper and full information and
          assistance to settle and/or defend any such Action. If the Products,
          or any part thereof, are, or in the opinion of SKYSTREAM may become,
          the subject of any Action for infringement of any intellectual
          property right, or if a judicial or other governmental authority
          enjoins the use or distribution of Products as a result of an Action
          defended by SKYSTREAM, then SKYSTREAM may, at its option and expense:
          (i) procure for Buyer the right to distribute or use, as appropriate,
          the Products; (ii) replace the Products with other suitable Products;
          (iii) suitably modify the Products; of (iv) if the foregoing
          alternatives cannot be accomplished on a commercially reasonable basis
          as determined in SKYSTREAM's sole discretion, require Buyer to return
          such Products and refund the aggregate payments paid therefor by
          Buyer, less a reasonable sum for use and damage.  Buyer shall
          indemnify and hold harmless SKYSTREAM from and against any and all
          third party claims arising out of the distribution of Products after
          SKYSTREAM has required Buyer to return such Products or arising out of
          any exclusions to SKYSTREAM's indemnification obligations set forth in
          Section 10.5. SKYSTREAM shall not be liable for any costs or expenses
          incurred without its prior written authorization.

                                       8

<PAGE>   22
     10.5 Notwithstanding the provisions of Section 10.4 above, SKYSTREAM
          assumes no liability for (i) any infringement claims (including
          without limitation combination or process patents) arising out of the
          combination of a Product or use with other hardware, software or other
          items not provided by SKYSTREAM to the extent such infringement would
          not have occurred absent such combination or use; (ii) the
          modification of the Product, or any part thereof, unless such
          modification was made by SKYSTREAM; or (iii) any infringement claims
          arising out of SKYSTREAM's compliance with Buyer's specifications or
          designs.

     10.6 SKYSTREAM's obligation to indemnify Buyer does not extend to any
          Action arising from a claim of infringement by the manufacture, use or
          sale of Products that conform to any technical standard adopted by an
          international organization such as the International Organization for
          Standardization, the International Electrotechnical Commission, and
          the CCITT/ITU, including, without limitation, the MPEG, JPEG and H.261
          standards.

     10.7 THE FOREGOING PROVISIONS OF THIS SECTION 10 STATE THE ENTIRE LIABILITY
          AND OBLIGATION OF SKYSTREAM AND THE EXCLUSIVE REMEDY OF BUYER AND ITS
          CUSTOMERS WITH RESPECT TO ANY ALLEGED INFRINGEMENT OF COPYRIGHTS,
          TRADEMARKS, PATENTS OR OTHER INTELLECTUAL PROPERTY RIGHTS BY THE
          PRODUCTS.

     10.8 SKYSTREAM shall have the right but, except as provided by Section
          10.4, not the obligation, to exclusively settle any claim, suit or
          proceeding brought against Buyer so far as it is based on an
          allegation that any Product or service furnished hereunder infringes a
          patent, copyright or other intellectual property right of any country.
          Buyer shall provide SKYSTREAM with prompt notice of any such claim,
          suit or proceeding.

11.  Intellectual Property Rights

     11.1 Buyer hereby grants SKYSTREAM a license under any patent required to
          enable SKYSTREAM to perform its obligations pursuant to this
          Agreement. This license shall extend for the duration of this
          Agreement.

     11.2 No provision in this Agreement shall be interpreted as a grant by
          SKYSTREAM to Buyer of a license to use SKYSTREAM's service-marks or
          trade marks.

     11.3 The Products are offered for sale and are sold by SKYSTREAM subject in
          every case to the condition that such sale does not convey any license
          expressly or by implication, to manufacture, reverse engineer,
          duplicate or otherwise copy or reproduce any of the Products or any
          part thereof.

                                       9
<PAGE>   23
12.  Termination by SKYSTREAM

     12.1 In the event of any proceedings, voluntary or involuntary, in
          bankruptcy or insolvency by or against Buyer, or in the event of the
          appointment, with or without Buyer's consent, of an assignee for the
          benefit of creditors, or of a receiver, SKYSTREAM may elect to
          immediately cancel any purchase order previously accepted by
          SKYSTREAM.

     12.2 In the event Buyer has materially breached this Agreement, including
          but not limited to failure to comply with credit terms, and has not
          cured such breach within 30 days after receiving notice thereof by
          SKYSTREAM, SKYSTREAM may immediately cancel any purchase order
          previously accepted by SKYSTREAM.

13.  Limited Warranty

     13.1 The Products are warranted against defects in material and workmanship
          for a period of ninety (90) days from the date of shipment to the
          F.O.B. point provided that the foregoing warranty shall not apply to
          defects that reasonably could have been discovered by Buyer during the
          30 day period following delivery to the F.O.B. point. This limited
          warranty does not cover the results of accident, abuse, neglect,
          improper testing, vandalism, acts of God, use contrary to
          specifications or instructions, or repair or modification by anyone
          other than SKYSTREAM or SKYSTREAM's authorized agents. SKYSTREAM SHALL
          HAVE NO OBLIGATION UNDER THIS WARRANTY, AND MAKES NO REPRESENTATION AS
          TO PRODUCTS WHICH HAVE BEEN MODIFIED BY BUYER OR ITS CUSTOMERS. The
          foregoing warranty extends only to Buyers who are SKYSTREAM customers,
          and not Buyer's customers or other users of Buyers' Products. The
          foregoing warranty does not apply to any used or modified Products, or
          software within the Products, which is subject to the Software
          License.

     13.2 If the Product does not conform to the foregoing warranties, Buyer
          may, at its own risk and expense, return the allegedly defective
          Product directly to SKYSTREAM during the Warranty Period. In order to
          do so, Buyer must first notify SKYSTREAM in writing of the alleged
          defect and request a return material authorization ("RMA") number.
          Within five (5) days of its receipt of the RMA number, Buyer shall
          ship to SKYSTREAM the allegedly defective Product, freight prepaid, to
          SKYSTREAM, and shall include a notation of the RMA number. Any
          Products returned to SKYSTREAM without an authorized RMA number may be
          returned to Buyer, freight collect. Upon receipt of the Product,
          SKYSTREAM, at its option, will repair or replace the Product and ship
          the repaired or replaced Product to Buyer at

                                       10
<PAGE>   24
          SKYSTREAM's expense and risk, or refund the purchase price. If
          SKYSTREAM determines that any returned Product conformed to the
          warranties, SKYSTREAM will return the Product to Buyer at Buyer's
          expense and risk, along with a written statement setting forth the
          basis for SKYSTREAM's conclusion that the returned Product was not
          defective, and Buyer agrees to pay SKYSTREAM's reasonable costs of
          handling and testing.

     13.3 THE REMEDIES PROVIDED HEREIN ARE BUYERS' SOLE AND EXCLUSIVE REMEDIES
          FOR BREACH OF WARRANTY BY SKYSTREAM. SKYSTREAM SPECIFICALLY DISCLAIMS
          ALL OTHER EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING ANY
          IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE,
          MERCHANTABILITY OR NONINFRINGEMENT. NO PERSON IS AUTHORIZED TO MAKE
          ANY OTHER WARRANTY OR REPRESENTATION CONCERNING THE PERFORMANCE OF THE
          PRODUCTS OTHER THAN AS PROVIDED IN THIS SECTION.

14.  Limitation of Liability

     NEITHER SKYSTREAM NOR ITS SUPPLIERS SHALL BE LIABLE TO BUYER FOR ANY
     DAMAGES WITH RESPECT TO ANY SUBJECT MATTER OF THIS AGREEMENT UNDER ANY
     CONTRACT, NEGLIGENCE, STRICT LIABILITY OR OTHER LEGAL OR EQUITABLE THEORY
     (i) FOR ANY INCIDENTAL, CONSEQUENTIAL, SPECIAL OR INDIRECT DAMAGES OF ANY
     SORT EVEN IF SKYSTREAM OR ITS SUPPLIERS HAVE BEEN INFORMED OF THE
     POSSIBILITY OF SUCH DAMAGES; (ii) FOR COST OF PROCUREMENT OF SUBSTITUTE
     GOODS, TECHNOLOGY OR SERVICES; OR (iii) FOR LOSS OR CORRUPTION OF DATA OR
     INTERRUPTION OF USE. SKYSTREAM SHALL NOT BE LIABLE FOR ANY AMOUNTS IN
     EXCESS OF THE TOTAL AMOUNT ACTUALLY PAID TO SKYSTREAM HEREUNDER FOR THE
     PARTICULAR PRODUCTS THAT ARE SUBJECT TO A CLAIM. THESE LIMITATIONS SHALL
     APPLY NOTWITHSTANDING ANY FAILURE OF ESSENTIAL PURPOSE OF ANY LIMITED
     REMEDY. THE LIMITATION OF LIABILITY SET FORTH IN THIS SECTION SHALL NOT
     APPLY TO LIABILITY FOR DEATH OR PERSONAL INJURY TO THE EXTENT APPLICABLE
     LAW PROHIBITS SUCH LIMITATION.

15.  Import/Export

     Buyer agrees that it will not in any form export, re-export, resell, ship
     or divert directly or indirectly any Product or technical data or Software
     furnished hereunder to any country for which the United States Government
     or any government agency

                                       11
<PAGE>   25
     requires an export license or other governmental approval without first
     obtaining such license or approval.

16.  Restricted Use

     SKYSTREAM's Products may produce a reduction and loss of data and therefore
     are not sold for use in medical equipment, avionics, nuclear applications,
     or other high risk applications where malfunctions or loss of data could
     result directly in personal injury to human beings. Buyer agrees to not to
     use, to contractually bind its customers not to use, and to forbid all
     third parties from using the Products in such applications, and Buyer
     agrees to indemnify SKYSTREAM and to hold SKYSTREAM harmless from and
     against any liability arising out of Buyer's failure to contractually bind
     its customers in the manner previously described.

17.  Term  This Agreement will govern in perpetuity all of Buyer's purchases of
     Products.

18.  Publicity

     Buyer consents to the use of Buyer's name and purchase order data for use
     by SKYSTREAM at SKYSTREAM's discretion for the purpose of preparing press
     releases and promotional materials. Buyer agrees to use best efforts in
     assisting in the preparation of any such press releases or promotional
     materials.

19.  Miscellaneous

     19.1 Any notice required to be given hereunder shall be given in writing at
          the address of each party set forth in an attached quotation or
          purchase agreement, or to such other address as either party may
          substitute by written notice to the other.

     19.2 Any attempt by Buyer to assign or transfer any of the rights, duties,
          or obligations herein shall render such attempted assignment or
          transfer null and void.

     19.3 SKYSTREAM's failure to exercise any of its rights hereunder shall not
          constitute or be deemed a waiver or forfeiture of such rights.

     19.4 No U.S. Government Procurement Regulations shall be binding on either
          party unless specifically agreed to in writing prior to incorporation
          herein.

     19.5 Stenographic, typographical and clerical errors are subject to
          correction.

     19.6 Governing Law and Jurisdiction. This Agreement will be governed by and
          construed in accordance with the laws of the State of California
          applicable to agreements entered into, and to be performed entirely,
          within California

                                       12
<PAGE>   26
           between California residents, without reference to conflict of law
           principles. Any dispute or claim arising out of this Agreement will
           be resolved by binding arbitration in the city and county of Santa
           Clara in accordance with the complex commercial litigation rules of
           the American Arbitration Association. The arbitrator will have the
           power to grant any form of relief, including preliminary and
           permanent injunctive relief, which a judge in California with
           jurisdiction could fashion, and judgment on any award may be entered
           in any court in California with jurisdiction. Nonetheless, the
           parties may seek temporary or permanent injunctive relief from any
           court in California with jurisdiction without breaching this Section
           19.6 or otherwise abridging the authority of the arbitrator.

     19.7  In the event any proceeding or lawsuit is brought by either party to
           enforce its rights hereunder, the prevailing party shall be entitled
           to recover its costs, including expert witness fees and reasonable
           attorneys' fees.

     19.8  All disputes between the parties of any kind arising out of or
           related to this Agreement shall be brought within one (1) year after
           the accrual of the dispute.

     19.9  THE TERMS AND CONDITIONS SET FORTH HEREIN REPRESENT THE ENTIRE
           AGREEMENT BETWEEN SKYSTREAM AND BUYER WITH RESPECT TO THE SUBJECT
           MATTER AND BUYER AGREES THAT ALL PRIOR QUOTATIONS, INVOICES,
           NEGOTIATIONS, UNDERSTANDINGS, REPRESENTATIONS AND/OR AGREEMENTS OF
           THE PARTIES RELATING TO THE SUBJECT MATTER HEREOF, EXCLUDING THE
           SOFTWARE LICENSE, WHETHER ORAL OR WRITTEN, ARE MERGED HEREIN AND
           SUPERSEDED IN THEIR ENTIRETY. BUYER ACKNOWLEDGES THAT IT HAS NOT
           ENTERED INTO THIS AGREEMENT IN RELIANCE ON ANY WARRANTY OR
           REPRESENTATION BY ANY PERSON OR ENTITY EXCEPT FOR THE WARRANTIES AND
           REPRESENTATIONS SPECIFICALLY SET FORTH HEREIN. No change or
           modification of any of the terms or conditions herein shall be valid
           or binding on either party unless in writing and signed by an
           authorized representative of each party.

     19.10 Neither party shall be liable to the other for its failure to perform
           any of its obligations hereunder during any period in which such
           performance is delayed by circumstances beyond its reasonable control
           including, but not limited to, fire, flood, earthquake, war, embargo,
           strike, riot, inability to secure materials and transportation
           facilities, or the intervention of any governmental authority.

                                       13
<PAGE>   27
                                   EXHIBIT C

PRODUCTS TO BE COVERED UNDER THIS AGREEMENT:

PRODUCT               DESCRIPTION
DBN-24
DBN-25
DBN-26
JetStream Server
JetStream Client

SOFTWARE RELEASES TO BE COVERED UNDER THIS AGREEMENT:

V1.3
V3.0
V3.1
V3.2

                                   EXHIBIT D

PRODUCT PRICING MATRIX

PRODUCTS AND UPGRADE PRICING WITH INITIAL INTEGRATOR PURCHASE

[Insert price list]

UPGRADE PRICING AFTER INITIAL INTEGRATOR HAS BEEN PURCHASED

[Insert upgrade price list]

                                       14
<PAGE>   28
ANNUAL MAINTENANCE FEES

[*]% of the invoiced price to the Reseller on a per unit, per year basis.
SkySupport service is renewed automatically every 21 months, unless otherwise
noted by the Reseller.

HOURLY CONSULTING RATE FOR CHARGEABLE SERVICES

$[*] per hour, not including travel or lodging expenses

RESELLER'S TERM

Term. The term of this Agreement will begin on the Effective Date and will
continue for a period of one year unless it is terminated earlier in accordance
with the provisions hereof. This Agreement may be renewed for additional periods
upon the mutual written agreement of the parties, although each party
acknowledges that the other is under no obligation to do so.

* Certain information on this page has been omitted and filed
  separately with the Commission. Confidential treatment has
  been requested with respect to the omitted portions.

                                       15

<PAGE>   29
                                [SKYSTREAM LOGO]

                                   EXHIBIT E

                                 SKYSUPPORT(TM)

                                  SERVICE PLAN

                                 --------------

                              For DIRECT Customers

                         Providing World-Class Customer
                          Service and Support for the
                         SkyStream Integrator Family of
                                    Products

This document overrides any and all previous documents in circulation. SkyStream
reserves the right to change information contained in this document without
notice to any non-SkySupport customers
<PAGE>   30
                                  Version 2.2

                                 February 1999

<PAGE>   31
                                   SKYSUPPORT

CUSTOMER SERVICE PLAN FOR DIRECT CUSTOMERS

SkySupport is a customer service plan that offers world-class support to
SkyStream customers domestically and internationally. SkyStream offers a program
whereby the greatest effort is placed in fast response time to any issues that
emerge, 24 hours a day, and 7 days a week. SkyStream also employs proactive
efforts to keep SkySupport customers abreast of any new product developments or
code changes.

Because of the evolutionary architecture of the SkyStream Integrator series,
customers may find it useful to gradually add hardware or software features to
the base product, such as upgrading a data encapsulator (DBN-24) to a data
injection (DBN-25) or DUB-Simulcrypt conditional access product (DBN-26).
Customers can also purchase feature additions or an add-on card for additional
functionality. SkyStream offers all SkySupport customers the opportunity to
upgrade their products, even after the units are installed in the field.

The SkySupport customer service plan is available to all direct customers of
SkyStream. The plan is supported on a per-unit basis, and is renewed annually.
SkySupport customers are also eligible to purchase product upgrades or training
for additional charges. This renewable 1-year plan (after ship date) shall
include the following three categories of support:

1. ULTRA-FAST RESPONSE TIME

2. PRODUCT UPGRADES

3. SKYSTREAM'S PRODUCT TRAINING PROGRAM

The SkySupport Service Plan is initially ordered at same time that the equipment
is purchased. SkySupport service is renewed automatically, unless otherwise
noted by the customer, every 12 months at the standard service rate (per the
most recent price list).
<PAGE>   32
SKYSUPPORT 3-POINT CUSTOMER SERVICE PLAN

1. ULTRA-FAST RESPONSE TIME

-  GUARANTEED ADVANCED PARTS REPLACEMENT, SHIPPED OVERNIGHT ON THE NEXT BUSINESS
   DAY

   SkyStream will ship advance replacement parts the next business day.

-  TELEPHONE SUPPORT, 24 HOURS PER DAY, 7 DAYS PER WEEK (24x7)

   Access to SkyStream Customer Service technical support personnel with a
   guaranteed response time of within 4 hours of initial call.

-  ELECTRONIC MAIL INQUIRIES AND RESPONSES

-  REMOTE DIAGNOSTIC SERVICE (RDS)

   SkyStream customer service can observe and analyze the configuration and
   traffic pattern at the client's site and provide feedback to resolve
   problems. Customer needs to provide SkyStream support personnel with
   authorization to access the SkyStream products over a remote network for
   monitoring and troubleshooting purposes.

-  DOCUMENTATION

   Access to product manuals, user's guides, application notes, FAQ's and
   web-based troubleshooting guide on SkyStream's website via secure SkySupport
   password.
<PAGE>   33
2. PRODUCT UPGRADES

SkyStream's products have a unique architecture that allows them to receive
hardware or software upgrades while installed in the field. Upgrades can range
from simple software patches to significant feature upgrades, all of which are
best treated under the SkySupport plan. Product Upgrades come in three
different categories, and will be clearly marked in all price lists:

LEVEL 1 UPGRADE: BUG FIXES

All software bug fixes will be documented and made accessible to all SkyStream
customers. Bug fixes are software patches that repair a known problem in the
current released code. Level 1 upgrades will be available at [*], as long as
customers are using supported software releases. Typically, SkyStream will
provide support for the 2 most recent releases of its software. Customers using
unsupported versions of software will need to upgrade to the latest version to
receive code fixes, and non-SkySupport customers may need to pay [*] to upgrade.
Registered SkySupport customers will be pro-actively notified via email of any
upgrade within 30 days of production release date.

LEVEL 2 UPGRADE: FEATURE IMPROVEMENTS

Level 2 upgrades include all software improvements. Software improvements are
released on an ongoing basis to improve on an existing set of functions. See the
SkyStream price list to determine which features fall into this category. These
upgrades will be provided to SkySupport customers for [*] as long as customers
are using supported software releases.

LEVEL 3 UPGRADE: FEATURE ADDITIONS AND HARDWARE UPGRADES

Feature additions and hardware add-on card upgrades will be sold via SkyStream's
upgrade price list. Feature additions include software code upgrades that add
significant functionality to the existing product specification. See the
SkyStream price list to determine which features fall into this category. Only
authorized SkySupport personnel will administer Level 3 upgrades. Registered
SkySupport customers will be pro-actively notified via email of any upgrade
within 30 days of production release date.

SkyStream's Integrator family uses a flexible architecture that allows customers
to purchase a base system for immediate requirements, with an interest to
upgrade its functionality to a new platform in the future. For example, if a
customer purchases a DBN-35 ATSC IP Data Injector, and later wishes to upgrade
the product to support CAS Injection, he can do so by paying only an upgrade fee
as opposed to buying a new system (see upgrade price list for upgrade prices).
Customers interested in upgrading their unit must provide SkyStream with 90 days
advance notice. ONLY SKYSUPPORT CUSTOMERS WILL HAVE ACCESS TO ANY LEVEL 3
UPGRADES.

NOTE: Level 3 Upgrades are only available on same-family products (i.e. DBN 2X
is a family of products, where 4, 5, 6, or other future product).

* Certain information on this page has been omitted and filed
  separately with the Commission. Confidential treatment has
  been requested with respect to the omitted portions.
<PAGE>   34
<TABLE>
<CAPTION>
     Product Upgrades              SkySupport Customers
 -------------------------------------------------------------
<S>                                <C>
LEVEL 1:  BUG FIXES
Software Patches                      [ * ]
Hardware Fixes                        [ * ]

LEVEL 2: FEATURE
IMPROVEMENTS
Software - feature improvements       [ * ]

LEVEL 3:  FEATURE
ADDITIONS/HARDWARE
UPGRADES
Software - new feature additions      Available for additional
                                        charge-see price list

Hardware - new feature additions      Available for additional
                                        charge - see price list

DBN-24 to DBN-25                      Available for additional
                                        charge - see price list

DBN-25 to DBN-26                      Available for additional
                                        charge - see price list

</TABLE>

* Certain information on this page has been omitted and filed
  separately with the Commission. Confidential treatment has
  been requested with respect to the omitted portions.
<PAGE>   35
3.   SKYSTREAM'S PRODUCT TRAINING PROGRAM

SkyStream offers all customers basic system operations training to the SkyStream
Integrator product family. This session will accompany any new product
installation when an authorized SkyStream field support engineer performs the
installation. For more detailed product training, SkyStream offers an additional
system maintenance training session for customer engineering or operations
personnel who require more technical knowledge and hands-on skills to work
directly with the SkyStream equipment.

There are two training modules available:

MODULE 1: SKYSTREAM SYSTEM OPERATIONS TRAINING

SkyStream provides comprehensive on-site training on the new system at the time
of system installation. Customer operations and production staff receive
training on

- System Overview/Setup

- System Operations

- Routine maintenance of the system

MODULE 2: SKYSTREAM SYSTEM MAINTENANCE TRAINING

SkyStream offers advanced training to customers that support and maintain their
SkyStream system. This training provides customers with the technical knowledge
and hands-on skills needed to use, configure, support and troubleshoot the
SkyStream system. This training is delivered at SkyStream's Corporate Training
Facility in Mt. View, CA.
<PAGE>   36
SKYSUPPORT PRICING - FEBRUARY 1999

<TABLE>
<CAPTION>
SERVICE                       ORDER NUMBER                  COST
-------                       ------------                  ----
<S>                           <C>                           <C>
1-year SkySupport             S901001                       [ * ] price per unit
On-Site Installation          S901004                       [ * ] (N.A.), [ * ] per day (Int'l)

LEVEL 1 PRODUCT UPGRADES
------------------------
Bug fixes                     [ * ]                         [ * ]

LEVEL 2 PRODUCT UPGRADES
------------------------
Hardware Add-on cards         refer to upgrade price list   refer to upgrade price list
Software feature additions    refer to upgrade price list   refer to upgrade price list

LEVEL 3 PRODUCT UPGRADES
------------------------
DBN-24 to DBN-25              S101002                       refer to upgrade price list
DBN-25 to DBN-26              S111003                       refer to upgrade price list
DBN-24 to DBN-26              S101003                       refer to upgrade price list
Other Feature Additions       refer to upgrade price list   refer to upgrade price list

SKYSTREAM PRODUCT TRAINING
--------------------------
System Operations Training    [ * ]                         [ * ] (SkySupport only)
System Maintenance Training   S901101                       [ * ] per person
</TABLE>

ADDITIONAL TERMS:

1. SkySupport must be purchased at time of order placement, and must cover the
   full amount of the order (i.e. if customer buys 2 DBN-xx units, he must also
   buy 2 units of SkySupport).

2. SkySupport must also be purchased for any upgrades when they are ordered, and
   will be added to the basic SkySupport agreement when it is to be renewed.

3. SkyStream will register all units by serial number. Customer service calls
   must be verified by actual serial number of affected unit.

4. All existing SkySupport customers' terms will be honored until expiration of
   the current annual service plan. Renewals will be assessed at the new rate,
   listed above.

5. All returns will be handled by RMA process. SkyStream will issue an RMA
   number that must accompany any product repair or return unit.

* Certain information on this page has been omitted and filed
  separately with the Commission. Confidential treatment has
  been requested with respect to the omitted portions.

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