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                                                                    EXHIBIT 10.9

                             [SKYSTREAM LETTERHEAD]

                                                                November 1, 1998

Dan Riordan
2556 Wilde Ave.
Pleasanton, CA 94588
(925) 462-1647

Dear Dan:

I am pleased to offer you the position of Vice President of Worldwide Sales at
SkyStream Corporation. You will report to myself, Jim Olson, President and Chief
Executive Officer. In this position, you will be responsible for all aspects of
SkyStream's direct and indirect channel sales activities around the world. You
will receive a starting base salary of one hundred fifty thousand dollars
($150,000) per year. In addition, you will receive up to $110,000 of incentive
compensation per year provided that SkyStream meets its targeted revenue
objectives beginning in the second quarter of 1999. In the event SkyStream
exceeds its targeted revenue objectives beginning in the second quarter of 1999,
you will receive additional incentive compensation. The formula to determine the
additional incentive compensation will be determined jointly by you and me no
later than December 16, 1998. For the fourth quarter of 1998, and through the
first quarter of 1999, you will receive a non-recoverable draw to cover your
incentive compensation independent of SkyStream's revenue performance during
that period. Assuming your start date is December 1, 1998, your incentive
compensation will be $110,000/4=$27,500 for 1998, and your incentive
compensation will be $110,000/4=$27,500 for the first quarter of 1999. Half of
your incentive compensation will be paid to you when revenue is recognized and
half when customer payment has been received. Your base salary will be paid
twice per month and is subject to withholding for federal, state, and other
applicable taxes, as is your incentive compensation.

Further, I will recommend to SkyStream's Board of Directors that you be granted
incentive stock options to purchase 210,000 shares of SkyStream common stock
which will vest over a four year vesting schedule from the date of your
employment. Vesting will be annual vesting for the first year and monthly
vesting the following three years. At your option, you may elect to exercise
your stock options subject to a company Repurchase right that would lapse on the
same schedule that the stock options would normally vest.

As an employee of SkyStream, you and your dependents will be entitled to
SkyStream medical, dental, vision, EAP, 401(k), LTD and Life/AD&D
insurance, and Section 125 benefits as made available to all SkyStream
employees. Information on the details of our plans will be delivered to you
separately.

When you report to work, you will be expected to execute our standard company
agreement relative to patents, inventions, and confidential information.

This is an offer for "at will" employment, and does not constitute an offer or
guarantee of employment for any period of time. Your employment and compensation
can be terminated at any time for any reason or for no reason, subject to the
terms hereof and your rights to compensation hereunder. This letter constitutes
the full and entire understanding and agreement between the parties with respect
to the subject of employment, and supersedes any prior discussions.

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This offer is effective through Friday, November 6, 1998. It will expire if not
accepted in writing by that date. I anticipate your start date to be Tuesday,
December 1, 1998 or earlier. I look forward to your acceptance. This e-mail
offer letter will be replaced by a hard copy offer letter on Friday, November 6,
1998. Please sign and return the hard copy upon acceptance.

Dan, we are all excited about you joining SkyStream. We believe that your
background and accomplishments are ideal for what we need. I am confident that
you are the right person to lead our sales function and become a valuable
member of my executive team. The video networking and distribution market is
poised to explode and we excitedly look forward to exploring that opportunity
with you at SkyStream.

Sincerely,

/s/ JAMES D. OLSON

James D. Olson
President and Chief Executive Officer
SkyStream Corporation

ACCEPTED:  /s/ DAN RIORDAN                DATED:   11/6/98
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                                                                   EXHIBIT 10.10

                                                                October 17, 1999

David Olson

Dear David:

I am pleased to offer you the position of Vice President of Operations at
SkyStream Corporation. You will report to myself, Jim Olson, President and Chief
Executive Officer. In this position, you will be responsible for all aspects of
Information Systems, HR, Manufacturing, Customer Support, and Integration
Services activities. You will receive a starting base salary of one hundred
seventy five thousand dollars ($175,000) per year. Your base salary shall be
paid twice per month and is subject to withholding for federal, state and other
applicable taxes as is your incentive compensation.

Further, we will recommend to SkyStream's Board of Directors that you be granted
incentive stock options to purchase 175,000 shares of SkyStream common stock
which will vest over a four year vesting schedule from the date of your
employment. Vesting will be annual vesting for the first year and monthly
vesting the following three years. At your option, you may elect to exercise
your stock options subject to a company Repurchase right that would lapse on the
same schedule that the stock options would normally vest.

As an employee of SkyStream, you and your dependents will be entitled to
SkyStream medical, dental, vision, EAP, 401k, LTD, Life/AD&D insurance, and
Section 125 benefits as made available to all SkyStream employees. Information
on the details of our plans will be delivered to you separately.

When you report to work, you will be expected to execute our standard company
agreement relative to patents, inventions, and confidential information.

This is an offer for "at will" employment, and does not constitute an offer or
guarantee of employment for any period of time. Your employment and
compensation can be terminated at any time for any reason or for no reason,
subject to the terms hereof and your rights to compensation hereunder. This
letter constitutes the full and entire understanding and agreement between the
parties with respect to the subject of employment, and supersedes any prior
discussions.

This offer is effective through Wednesday, October 20, 1999. It will expire if
not accepted in writing by that date. I anticipate your start date to be Friday,
November 12, 1999. I look forward to your acceptance. This e-mail offer letter
will be replaced by a hard copy offer letter on Friday, October 29, 1999. Please
sign and return the hard copy upon acceptance.

David, we are all excited about you joining SkyStream. We believe that your
background and accomplishments are ideal for what we need. I am confident that
you are the right person to lead our Manufacturing, IS, Support, Integration,
and HR functions and become a valuable member of my executive team. The
broadcast networking market is poised to explode and we excitedly look forward
to exploiting that opportunity with you at SkyStream.

Sincerely,

James Olson
President and Chief Executive Officer
SkyStream Corporation

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Accepted /s/ DAVID OLSON                      Date    10-19-99
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                                                                   EXHIBIT 10.11

                                                                January 28, 2000
Roger E. George
2424 Villa Nueva Way
Mountain View, CA 94040
650 962-1656

Dear Roger:

I am pleased to offer you the position of Vice President of Legal Affairs and
General Counsel at SkyStream Networks. You will report to myself, Jim Olson,
President and Chief Executive Officer. In this position, you will be responsible
for all aspects of legal compliance, corporate development including M&A,
corporate governance, and general corporate law including contracts, real
estate, and employment law. You will receive a starting base salary of one
hundred thirty-five thousand dollars ($135,000) per year. In addition, you will
be eligible to receive up to 20% of your base salary in the form of bonus
payments based on company performance and on meeting annual objectives defined
by you and me. Your base salary will be paid twice per month and is subject to
withholding for federal, state, and other applicable taxes, as is your incentive
compensation.

Further, I will recommend to SkyStream's Board of Directors that you be granted
the right to purchase 100,000 shares of SkyStream common stock which will vest
over a four year vesting schedule from the start date of your employment.
Vesting will be annual vesting for the first year and monthly vesting the
following three years. At your option, you may elect to exercise your stock
options subject to a company Repurchase Right that would lapse on the same
schedule that the stock options would normally vest. If you elect to exercise
your options subject to the Repurchase Right the purchase price of the Common
Stock may be financed with a full recourse promissory note payable to the
Company. The Note shall bear interest at the minimum rate allowable to avoid
imputation of interest compounded annually. Interest shall be forgiven annually
as long as you remain employed by the Company. The Note shall be due and payable
upon the earlier of (i) five years from the date of the Note, or (ii) 90 days
after the termination of your employment with the Company. In addition, the
proceeds from any sale by you of any shares of Common Stock of the Company
shall be applied to repay the Note.

As an employee of SkyStream, you and your dependents will be entitled to
SkyStream medical, dental, vision, EAP, 401K, LTD,
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Life/AD&D Insurance, and Section 125 benefits as made available to all
SkyStream employees. Information on the details of our plans will be delivered
to you separately.

When you report to work, you will be expected to execute our standard company
agreement relative to patents, inventions, and confidential information.

This is an offer for "at will" employment, and does not constitute an offer or
guarantee of employment for any period of time. Your employment and compensation
can be terminated at any time for any reason or for no reason, subject to the
terms hereof and your rights to compensation hereunder. If in the first year of
your employment, the Company is acquired or sold, and, as a result of such
acquisition you are involuntarily or constructively terminated without cause,
you will nonetheless vest an aggregate of 50% of your stock options, or in the
case of a Repurchase Right, an aggregate of 50% of the Company's Repurchase
Right will lapse. This letter constitutes the full and entire understanding and
agreement between the parties with respect to the subject of employment, and
supersedes any prior discussions.

Roger, we are all excited about you joining SkyStream. We believe that your
background and accomplishments are ideal for what we need. I am confident that
you are the right person to lead SkyStream's legal function and become a
valuable member of my executive team. The Broadcast Internet market is now
exploding and we look forward to your participation in this extraordinary
opportunity.

Sincerely,

James Olson
President and Chief Executive Officer
SkyStream Networks

Accepted /s/ ROGER E. GEORGE
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Date 28 Jan. 2000
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