Exhibit 10.4

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p1to19.jpg]

  AMENDMENT 5

 

AMENDMENT 5 TO

CONTRACT

BETWEEN

TERRESTAR NETWORKS INC. AND HUGHES NETWORK SYSTEMS, LLC

FOR DESIGN, DEVELOPMENT AND SUPPLY OF

SATELLITE BASE STATION SUBSYSTEM (S-BSS)

This Amendment 5 to Contract (the “Amendment”) is made as of April 14, 2010 (the
“Amendment Effective Date” or “EDA”) by and between Hughes Network Systems, LLC
(the “Contractor”) with its principal place of business at 11717 Exploration
Lane, Germantown, Maryland, 20876, and TerreStar Networks Inc., a corporation
organized under the laws of Delaware with its principal place of business at One
Discovery Square, Suite 600, 12010 Sunrise Valley Drive, Reston, Virginia 20190
(“TerreStar”). As used herein, Contractor and TerreStar may each be referred to
individually as a “Party” and collectively as the “Parties.”

WHEREAS, TerreStar has contracted with Contractor for the design, development
and supply of an S-BSS and related Deliverable Items under the contract between
the Parties titled “Contract Between TerreStar Networks Inc. and Contractor for
Design, Development and Supply of Satellite Base Station Subsystem (S-BSS),”
dated February 6, 2007, as amended by that certain Addendum and Amendment to
Contract between the Parties dated April 13, 2007, and as further amended by
that second Amendment to Contract between the Parties dated August 1, 2008, the
third Amendment to Contract between the Parties dated March 9, 2009, and that
fourth Amendment to Contract between the Parties dated July 15, 2009
(collectively the “Contract”); and

WHEREAS, Contractor agrees to provide additional work under the Contract,
including free of charge engineering development services; and

WHEREAS, the Parties desire to amend the Contract as set forth herein.

NOW, THEREFORE, in consideration of the mutual covenants and agreements
contained herein and intending to be legally bound, the Parties hereby agree to
the following:

I. The Contract is hereby amended as follows:

1. Additional Work.

 

  (a)

Contractor agrees to perform the engineering development work required to
implement the ATT-QOS Workaround (Phase-1 and Phase-2), and to perform the
engineering development work to design an Optical RF Converter (“ORC”), with an
option to purchase ORC

 

Appendix B to Exhibit B    Version 1.0    03/03/2010    Page 1 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p1to19.jpg]    AMENDMENT 5   

 

 

  ‘equipment at a reduced unit price, all in accordance with Exhibit A3 and
Exhibit B3 respectively which are attached to this Amendment. For greater
certainty, the engineering development work associated with the ATT-QOS
Workaround and ORC will be provided to TerreStar by Contractor free of charge.

 

  (b) As set forth in the attached Exhibit A4 (as further defined below),
Contractor agrees to perform the engineering development work required to
implement the S-BSS Test Gateway feature for the GMR1-3G SBSS and Chipset (“Test
Gateway Feature”) allowing Production UTs and Test UTs to be controlled so they
can selectively ignore or connect to an S-BSS Test-Gateway or Production
Gateway, in accordance with the GMR1-3G Specification.

2. Deleted Exhibits. On the Amendment Effective Date the following Exhibits to
the Contract shall be deleted in their entirety and replaced with the revised
versions of such Exhibits which are described in Article I-2 below and which are
attached to this Amendment:

 

  (a) Exhibit C, Revision 5.2 – S-BSS Price and Payment Milestone Schedule

 

  (b) Exhibit D – Options, dated February 6, 2007

3. Added Exhibits. On the Amendment Effective Date the following Exhibits to the
Contract shall be added:

 

  (a) Exhibit A3, Revision 1.2 — Statement of Work for ATT-QOS Workaround and
Optical RF Converter dated April 15, 2010.

 

  (b) Exhibit A4, Revision A.02 — 3G Satellite Base Station Sub-System (3G
S-BSS) Test S-BSS Overview dated March 18, 2010.

 

  (c) Exhibit B3, Revision 1.0 — Functional Requirements including Appendix A:
Functional Requirements for ATT-QOS Workaround Version 1.2 and Appendix B:
Functional Requirements for Optical RF Converter Version 1.0

 

  (d) Exhibit C, Revision 5.4 — S-BSS Price and Payment Milestone Schedule,
dated April 16, 2010

 

  (e) Exhibit D — Revision 2.0 Options, Dated March 5, 2010

All other Exhibits to the Contract shall remain in full force and effect, except
to the extent the same are expressly amended herein.

4. Test Gateway Feature Period of Performance: The schedule for the delivery of
the Test Gateway Feature is approximately 6 weeks after the Amendment Effective
Date. Contractor will develop and deliver the Test Gateway Feature software for
the S-BSS and the Phase-1 Chipset and integrate the Test Gateway software at
NLV.

 

Appendix B to Exhibit B    Version 1.0    03/03/2010    Page 2 of 50

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Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p1to19.jpg]    AMENDMENT 5   

 

 

5. Test Gateway Feature Price and Payment. Contractor will perform the work to
develop and deliver the Test Gateway Feature under this Amendment for a fixed
price of $[***] ([***]). Contractor will invoice TerreStar as follows:

 

  •  

Upon the Amendment Effective Date: $[***]

 

  •  

Upon delivery of the Test Gateway Feature Deliverables: $[***]

TerreStar shall pay each undisputed invoiced amount within thirty (30) days
after TerreStar receives the invoice.

6. Optical RF Converter Option – No Warranty. Notwithstanding anything to the
contrary in the Contract, including Article 9 entitled Warranty and Support, the
Parties agree that the equipment provided under the ORC Option, if exercised by
TerreStar, shall be provided by Contractor “as-is” and without any warranties of
any kind, express or implied, including any warranty of merchantability or
fitness for a particular purpose. Contractor agrees to provide support to
TerreStar for the ORC equipment on a time and material basis upon request from
TerreStar.

II. Capitalized terms shall have the meaning ascribed to them in the Contract,
and the related Exhibits and Glossary attached to the Contract, as may be
amended by this Amendment.

III. This Amendment and the Contract together constitute the entire agreement
and understanding between the Parties in connection with the transactions hereby
contemplated. This Amendment supersedes all previous agreements, arrangements
and understandings between the Parties with regard to such transactions. Except
as specifically amended in this Amendment, the Contract remains in full force
and effect, and is ratified and confirmed.

IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be executed
by their duly authorized representatives as of the Amendment Effective Date.

 

ACCEPTED:     TERRESTAR NETWORKS INC.     HUGHES NETWORK SYSTEMS, LLC By:  

 

    By:  

 

 

Appendix B to Exhibit B    Version 1.0    03/03/2010    Page 3 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p1to19.jpg]    AMENDMENT 5   

 

 

Typed Name: Vincent Loiacono   Typed Name: Matthew Mohebbi Title: Chief
Financial Officer   Title: Vice President Date: April 16, 2010   Date: April 21,
2010

 

Appendix B to Exhibit B    Version 1.0    03/03/2010    Page 4 of 50

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Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p1to19.jpg]    AMENDMENT 5   

 

 

Appendix B to Exhibit B3

TerreStar Satellite Base Station Subsystem

(S-BSS)

Optical RF Converter Functional Requirements

Hughes Doc. # H35516, Version 1.0.                                 March 3, 2010

Hughes Network Systems, LLC

11717 Exploration Lane

Germantown, Maryland 20876

TerreStar Networks, Inc.

One Discovery Place

12010 Sunset Hills Road, 6th Floor

Reston, Virginia 20190

 

Appendix B to Exhibit B    Version 1.0    03/03/2010    Page 5 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p1to19.jpg]    AMENDMENT 5   

 

 

This document contains data and information proprietary to Hughes Network
Systems, LLC and TerreStar Networks Inc. This data is being furnished pursuant
to the provisions of the Contract between TerreStar Networks Inc. and Hughes
Network Systems, LLC for the TerreStar Satellite Base Station Subsystem. Hughes
Network Systems, LLC and TerreStar Networks Inc. shall have the right to
duplicate, use or disclose the data and information to the extent specified in
the Contract.

Appendix B to Exhibit B    Version 1.0    03/03/2010    Page 6 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p1to19.jpg]    AMENDMENT 5   

 

 

Revision History

 

Date

   Version   

Description

   Author 3/2/10    1.0    Initial Release    [***]

 

These commodities, technology or software were exported from the United States
in accordance with

the Export Administration Regulations. Diversion contrary to U.S. law is
prohibited.

Use or disclosure subject to the provisions of Contract signed on 31 March,
2009.

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p1to19.jpg]    AMENDMENT 5   

 

 

TABLE OF CONTENTS

 

SECTION

   PAGE 1.0    INTRODUCTION    1-1 1.1   

Purpose

   1-1 1.2   

Overview

   1-1 1.3   

RELEVANT DOCUMENTS

   1-1 2.0    INTERFACES    1 2.1   

Fiber interface to SBSS

   2 2.2   

Analog interface

   2 2.3   

10 MHz interface

   2 2.4   

IF to Fiber Mapping

   2 2.5   

Control Software

   2 2.6   

Photograph of the ORC

   3

 

ii

HUGHES PROPRIETARY

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p1to19.jpg]    AMENDMENT 5   

 

 

LIST OF FIGURES

 

FIGURE

        PAGE Figure 1-1.    [***]    1-1 Figure 2-1.    [***]    1 Figure 2-2.
   [***]    2 Figure 2-3.    [***]    3

 

iii

HUGHES PROPRIETARY

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p1to19.jpg]    AMENDMENT 5   

 

 

LIST OF TABLES

 

TABLE

        PAGE Table 2-1.    Interfaces    1 Table 2-2.    Port
Definition/Capabilities    2

 

iv

HUGHES PROPRIETARY

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

Hughes Optical to RF Converter for TerreStar

(3/10)

 

1. INTRODUCTION

 

  1.1. Purpose

This document provides an overview of the external interfaces and main function
of the Hughes Optical RF Converter (ORC) for TerreStar.

 

  1.2. Overview

The TerreStar ORC [***]

[***]

Figure 1-1. [***]

 

1.3. RELEVANT DOCUMENTS

The relevant document is as follows:

[***]

 

1-1

HUGHES PROPRIETARY

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p1to19.jpg]    AMENDMENT 5   

 

 

2.        INTERFACES

Figure 2-1 shows the [***]

[***]

Figure 2-1. [***]

Table 2-1 is a list of [***].

Table 2-1. Interfaces

 

Interface

  

Purpose

  

Qty

  

Connector
Type

[***]

   [***]    [***]    [***]

[***]

   [***]    [***]    [***]

[***]

   [***]    [***]    [***]

[***]

   [***]    [***]    [***]

[***]

   [***]    [***]    [***]

 

Exhibit C

   Version 5.4    04/16/2010    Page 1 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p1to19.jpg]    AMENDMENT 5   

 

 

2.1. Fiber interface to SBSS

The Fiber interface [***].

Table 2-2. Port Definition/Capabilities

 

Port Number

  

Capability

   LC Connector

[***]

   [***]    [***]

[***]

   [***]    [***]

Figure 2-2 shows [***].

[***]

Figure 2-2. [***]

The Fiber interface is [***]

 

2.2. Analog interface

The Analog IF interface [***]

 

2.3. 10 MHz interface

The 10 MHz Interface [***].

 

  2.4. IF to Fiber Mapping

Each fiber carries [***]

 

  2.5. Control Software

 

Exhibit C    Version 5.4    04/16/2010    Page 2 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p1to19.jpg]    AMENDMENT 5   

 

 

Control scripts are used [***]

 

  2.6. Photograph of the [***]

The below picture is [***].

Figure 2-3. [***]

 

Exhibit C    Version 5.4    04/16/2010    Page 3 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p1to19.jpg]    AMENDMENT 5   

 

 

Exhibit C

TerreStar Satellite Base Station Subsystem

(S-BSS)

Price and Payment Milestone Schedule

 

Hughes Doc. # H35516, Version 5.4.   April 16, 2010

 

Hughes Network Systems, LLC   

11717 Exploration Lane

  

Germantown, Maryland 20876

  

 

TerreStar Networks, Inc.   

One Discovery Place

  

12010 Sunset Hills Road, 6th Floor

  

Reston, Virginia 20190

  

 

   Vincent Loiacono, Chief Financial Officer

This document contains data and information proprietary to Hughes Network
Systems, LLC and TerreStar Networks Inc. This data is being furnished pursuant
to the provisions of the Contract between TerreStar Networks Inc. and Hughes
Network Systems, LLC for the TerreStar Satellite Base Station Subsystem. Hughes
Network Systems, LLC and TerreStar Networks Inc. shall have the right to
duplicate, use or disclose the data and information to the extent specified in
the Contract.

 

Exhibit C    Version 5.4    04/16/2010    Page 4 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p1to19.jpg]    AMENDMENT 5   

 

 

Revision History

 

Date

   Version   

Description

   Author

2/6/07

   4.0    Initial Release and Contract Execution Copy    [***]

1/31/08

   4.1    Incorporate CCN #6    [***]

5/22/08

   4.2    Incorporate CN #    [***]

6/17/08

   4.3    Amend 2 Final Version    [***]

2/20/09

   5.0    Amend 3    [***]

6/18/09

   5.1    Amendment 4 (Including Satellite Launch July 8, 2010)    [***]

7/8/09

   5.2    Changed Milestone 13 to AP    [***]

3/2/10

   5.3    Added ORC and T&M Options    [***]

4/16/10

   5.4    Revised MS payment table to reflect Test Gateway Feature    [***]

 

Exhibit C    Version 5.4    04/16/2010    Page 5 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p1to19.jpg]    AMENDMENT 5   

 

 

TABLE OF CONTENTS

 

SECTION

   PAGE

REVISION HISTORY

   2 1.1    Purpose and Scope    5 1.2    DOCUMENT Hierarchy    5 2.0    PRICE
SCHEDULE    6 2.1    PRICE SCHEDULE    6 2.1.1   

SBSS Baseline Price

   6 2.1.2   

SBSS Options Prices

   7 3.0    PAYMENT PLAN    9 3.1    PAYMENT PLAN    9

 

Exhibit C

   Version 5.4    04/16/2010    Page 6 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p1to19.jpg]    AMENDMENT 5   

 

 

LIST OF TABLES

 

TABLE

        PAGE Table 1-1.    Document Hierarchy    5 Table 2-1.    S-BSS Baseline
Price    6 Table 2-2.    [***]    7 Table 2-3.    [***]    7 Table 2-4.    [***]
   8

 

Exhibit C

   Version 5.4    04/16/2010    Page 7 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p1to19.jpg]    AMENDMENT 5   

 

 

  1.1 Purpose and Scope

This Exhibit covers the Price Schedule and Payment Plan for the work that will
be performed by Hughes Network Systems, LLC (the Contractor) for the design,
development, fabrication, implementation, integration, delivery, performance
verification, and testing of the Satellite Base Station Subsystem (S-BSS).

 

  1.2 DOCUMENT Hierarchy

i Table 2-1. Document Hierarchy

 

No.

  

Document

  

Content

1.    Contract    Terms and Conditions 2.    Exhibit A    Statement of Work 3.
   Exhibit B    S-BSS Technical Specification 4.    Exhibit C    Price Schedule
5.    Exhibit D    Options

 

Exhibit C

   Version 5.4    04/16/2010    Page 2-8 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_1pg20to36.jpg]    AMENDMENT 5   

 

 

2.0 Price schedule

2.1   PRICE SCHEDULE

2.1.1   SBSS Baseline Price

ii Table 2-1. S-BSS Baseline Price

 

Item

  

Description

  

Price

1    [***]    [***]    [***]    [***]    [***]    [***]    [***]    [***]   
[***]    [***]    [***]    [***]    [***]    [***]    [***]    [***]    [***]   
[***]    [***]    [***]    [***]    [***] 2    [***]    [***] 3    [***]   
[***] 4    [***]    [***] 5    [***]    [***] 6    [***]    [***] 7    [***]   
[***] 8    [***]    [***] 9    [***]    [***] 10    [***]    [***]

 

Exhibit D    #H35520    March 5, 2010    Page 9 of 50

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Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_1pg20to36.jpg]    AMENDMENT 5   

 

 

11    [***]    [***] 12    [***]    [***] 13    [***]    [***] 14    [***]   
[***] 15    [***]    [***]    TOTAL PURCHASE PRICE   

$

46,245,767

2.1.2   SBSS Options Prices

iii Table 2-2. S-BSS Options

 

1    [***]    [***] 2    [***]    [***] 3    [***]    [***]        [***]   
    [***]        [***]        [***]        [***]        [***] 4    [***]   
[***]        [***]        [***] 5    [***]    [***]        [***]    [***]   
    [***]    [***]

The following options defined as O3M (Option to be priced in 3 Months) in Table
2-6 of the Technical Specifications and schedule shall be priced at EDC + 3
months:

 

Exhibit D    #H35520    March 5, 2010    Page 10 of 50

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Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_1pg20to36.jpg]    AMENDMENT 5   

 

 

iv Table 2-3. [***]

 

1    [***]    [***] 2    [***]    [***]           [***] 3    [***]    [***] 4   
[***]    [***]           [***] 5    [***]    [***] 6    [***]    [***]

[***]

v Table 2-4. [***]

 

1    [***]    [***] 2    [***]    [***] 3    [***]    [***]

 

Exhibit D    #H35520    March 5, 2010    Page 11 of 50

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Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_1pg20to36.jpg]    AMENDMENT 5   

 

 

3.0 PAYMENT PLAN

3.1   PAYMENT PLAN

 

Number

  

Payment Milestone

   Value   Approximate
Date   Estimated
Calendar Date 1    [***]    [***]   [***]   [***] 2    [***]    [***]   [***]  
[***] 3    [***]    [***]   [***]   [***] 4    [***]    [***]   [***]   [***] 5
   [***]    [***]   [***]   [***] 6    [***]    [***]   [***]   [***] 7    [***]
   [***]   [***]   [***] 8a    [***]    [***]   [***]   [***] 8b    [***]   
[***]   [***]   [***] 9a    [***]    [***]   [***]   [***] 9b    [***]    [***]
  [***]   [***] 9c    [***]    [***]   [***]   [***] 10a    [***]    [***]  
[***]   [***] 10b    [***]    [***]   [***]   [***] 10c    [***]    [***]  
[***]   [***] 11    [***]    [***]   [***]   [***] 12a    [***]    [***]   [***]
  [***] 12b    [***]    [***]   [***]   [***] 12c    [***]    [***]   [***]  
[***]

 

Exhibit D    #H35520    March 5, 2010    Page 12 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_1pg20to36.jpg]    AMENDMENT 5   

 

 

12d    [***]    [***]   [***]   [***] 12e    [***]    [***]   [***]   [***] 12f
   [***]    [***]   [***]   [***] 13    [***]    [***]   [***]   [***] 14   
[***]    [***]   [***]   [***]    Total    46,245,767    

 

Exhibit D    #H35520    March 5, 2010    Page 13 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_1pg20to36.jpg]    AMENDMENT 5   

 

 

Exhibit D

TerreStar Satellite Base Station Subsystem

(S-BSS)

Options

 

Hughes Doc. # H35520

   Revision 2.0    March 5, 2010

 

Hughes Network Systems, LLC   11717 Exploration Lane   Germantown, Maryland
20876  

 

TerreStar Networks, Inc.   One Discovery Place   12010 Sunset Hills Road, 6th
Floor   Reston, Virginia 20190  

 

  Vincent Loiacono, Chief Financial Officer, April 16, 2010

 

This document contains data and information proprietary to TerreStar Networks
Inc. and Hughes Network Systems, LLC. This data is being furnished pursuant to
the provisions of the Contract between TerreStar Networks Inc. and Hughes
Network Systems, LLC for the TerreStar Satellite Base Station Subsystem. Hughes
Network Systems, LLC and TerreStar Networks Inc. shall have the right to
duplicate, use or disclose the data and information to the extent specified in
the Contract and herein.

 

Information included in this Exhibit may contain technical data controlled by
the Export Administration Regulations (“EAR”) and/or the International Traffic
in Arms Regulations (“ITAR”). This document has not been cleared for export or
transfer to a Foreign Person or foreign entity.

 

Exhibit D    #H35520    March 5, 2010    Page 14 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_1pg20to36.jpg]    AMENDMENT 5   

 

 

TABLE OF CONTENTS

 

SECTION

       PAGE

1.0

  INTRODUCTION    17

1.1

  purpose and scope    17

1.2

  reference documents    17

2.0

  OPTIONS    1

2.1

  general terms for options    1

2.2

  List of Options    1

 

Exhibit D    #H35520    March 5, 2010    Page 15 of 50

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Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_1pg20to36.jpg]    AMENDMENT 5   

 

 

LIST OF TABLES

 

TABLE

       PAGE

Table 1-1.

  Document Hierarchy    17

 

Exhibit D    #H35520    March 5, 2010    Page 16 of 50

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Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_1pg20to36.jpg]    AMENDMENT 5   

 

 

1. Introduction

 

1.1. purpose and scope

This document is Exhibit D and defines the Options that can be procured by the
Customer under the Satellite Base Station System Contract.

 

1.2. reference documents

Table 1-1. Document Hierarchy

 

No.

  

Document

  

Content

1.

   Contract    Terms and Conditions

2.

   Exhibit A    Statement of Work

3.

   Exhibit B    S-BSS Technical Specification

4.

   Exhibit C    Price Schedule

5.

   Exhibit D    Options

 

Exhibit D    #H35520    March 5, 2010    Page 17 of 50

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Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p29to36.jpg]    AMENDMENT 5   

 

 

2. Options

 

2.1. general terms for options

 

  1. The Customer may exercise any of the options described in Subsection 2.2
below (the “Options”) at any time before the date specified in the relevant
Option. The exercise of the Option shall be effective and irrevocable upon
delivery by Customer to Contractor of a written notice referencing such Option
and stating that the Customer is exercising that Option. Subject to the
foregoing, the Customer may exercise as many of the Options listed in
Subsection 2.2 as it may elect.

 

2.2. List of Options

 

  1. Exhibit C, Table 2-2, Item # 1 – [***]

[***]

 

  2. Exhibit C, Table 2-2, Item # 2 – [***]

[***]

 

  3. Exhibit C, Table 2-2, Item # 3 – [***]

[***]

 

  4. Exhibit C, Table 2-2, Item # 4 – [***]

[***]

 

  5. Exhibit C, Table 2-2, Item # 5 – [***]

[***]

 

  6. The following options defined as [***]

[***]

 

  7. The following options defined as [***]

[***]

 

Exhibit A3    Version 1.2    04/15/2010    Page 1 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p29to36.jpg]    AMENDMENT 5   

 

 

Exhibit A3

TerreStar Satellite Base Station Subsystem

(S-BSS)

Statement of Work for [***]-QoS Workaround and Optical RF Receiver

 

Hughes Doc. # H35516, Version 1.2.

  April 15, 2010                

Hughes Network Systems, LLC

11717 Exploration Lane

Germantown, Maryland 20876

TerreStar Networks, Inc.

One Discovery Place

12010 Sunset Hills Road, 6th Floor

Reston, Virginia 20190

 

This document contains data and information proprietary to Hughes Network
Systems, LLC and TerreStar Networks Inc. This data is being furnished pursuant
to the provisions of the Contract between TerreStar Networks Inc. and Hughes
Network Systems, LLC for the TerreStar Satellite Base Station Subsystem. Hughes
Network Systems, LLC and TerreStar Networks Inc. shall have the right to
duplicate, use or disclose the data and information to the extent specified in
the Contract.

Exhibit A3    Version 1.2    04/15/2010    Page 2 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p29to36.jpg]    AMENDMENT 5   

 

 

Revision History

 

Date

  

Version

  

Description

  

Author

3/3/10

   1.0    Initial Release    [***]

3/30/10

   1.1    Initial Release    [***]

4/15/10

   1.2    Updates for Phase 2    [***]

 

Exhibit A3    Version 1.2    04/15/2010    Page 3 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p29to36.jpg]    AMENDMENT 5   

 

 

Table of Contents

 

1

   INTRODUCTION    4

1.1

  

Purpose and Objective

  

1.2

  

Scope

  

 

Exhibit A3    Version 1.2    04/15/2010    Page 4 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p29to36.jpg]    AMENDMENT 5   

 

1 Statement of Work

 

 

1.1 Purpose and Objective

This statement of work (SOW) defines work for 2 items

 

  1) [***]-QoS Workaround, [***]

 

  2) Optical RF Converter

 

 

1.2 Scope

The scope of these 2 items is as follows.

[***]-QoS Workaround

Contractor shall develop the enhancements to the software for the satellite base
station subsystem (S-BSS) to support [***]

This work shall comply with the specification in Exhibit B3, Appendix A.

This work will take place in 2 phases. [***].

[***]

Optical RF Converter

Contractor shall develop the enhancements to the [***]

 

 

1.3 Schedule

[***]

[***]

 

This Amendment and the information contained therein are confidential and
proprietary to TerreStar and Contractor and shall not

be published or disclosed to any third party except as permitted by the Terms
and Conditions of this Amendment and the Contract.

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p29to36.jpg]    AMENDMENT 5   

 

 

Exhibit B3

TerreStar Satellite Base Station Subsystem

(S-BSS)

Functional Requirements for

[***]-QoS Workaround and Optical RF Receiver

Version 1.0.                    March 3, 2010

Hughes Network Systems, LLC

11717 Exploration Lane

Germantown, Maryland 20876

TerreStar Networks, Inc.

One Discovery Place

12010 Sunset Hills Road, 6th Floor

Reston, Virginia 20190

 

This document contains data and information proprietary to Hughes Network
Systems, LLC and TerreStar Networks Inc. This data is being furnished pursuant
to the provisions of the Contract between TerreStar Networks Inc. and Hughes
Network Systems, LLC for the TerreStar Satellite Base Station Subsystem. Hughes
Network Systems, LLC and TerreStar Networks Inc. shall have the right to
duplicate, use or disclose the data and information to the extent specified in
the Contract.

Exhibit B3    Version 1.0    03/03/2010    Page 1 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p29to36.jpg]    AMENDMENT 5   

 

 

Revision History

 

Date

  

Version

  

Description

  

Author

3/3/10

   1.0    Initial Release    [***]

 

Exhibit B3    Version 1.0    03/03/2010    Page 2 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p29to36.jpg]    AMENDMENT 5   

 

 

Table of Contents

 

1

   INTRODUCTION    4

1.1

  

Purpose and Objective

  

1.2

  

Scope

  

 

Exhibit B3    Version 1.0    03/03/2010    Page 3 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

1 Specifications

 

 

1.1 Purpose

This exhibit contains the functional requirements for the below 2 items

1) [***]-QoS Workaround[***]

2) Optical RF Converter

 

 

1.2 Specification

Attached to this document are the following Appendices:

Appendix A to Exhibit B3: Functional Requirements for [***]-QoS Workaround

Appendix B to Exhibit B3: Functional Requirements for Optical RF Converter

 

i

HUGHES PROPRIETARY

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

Test S-BSS Overview

H42660 RevA.02

LOGO [g43623ex10_4-p38.jpg]

H42660

Exhibit A4 - 3G SATELLITE BASE STATION SUB-SYSTEM (3G S-BSS)

Test S-BSS OVERVIEW

Revision A.02

03/18/2010

 

ii

HUGHES PROPRIETARY

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

Test S-BSS Overview

H42660 RevA.02

 

PROPRIETARY NOTICE

All rights reserved. This publication and its contents are proprietary to Hughes
Network Systems, LLC. No part of this publication may be reproduced in any form
or by any means without the written permission of Hughes Network Systems, LLC,
11717 Exploration Lane, Germantown, Maryland 20876.

HUGHES is a registered trademark of Hughes Network Systems, LLC. All other
trademarks are the property of their respective owners.

Copyright 2010 Hughes Network Systems, LLC

LOGO [g43623ex10_1pg39.jpg]

 

iii

HUGHES PROPRIETARY

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

Test S-BSS Overview

H42660 RevA.02

 

REVISION HISTORY

 

Revision

 

Date of Issue

 

Author

 

Scope

A.01   03/04/2010   HNS   Creation A.02   03/18/2010   HNS   [***]

 

iv

HUGHES PROPRIETARY

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

Test S-BSS Overview

H42660 RevA.02

 

Table of Contents

 

1

   PURPOSE    7

1.1

  

Definitions and Acronyms

   7

2

   TEST S-BSS    8

2.1

  

Overview

   8

2.2

  

Specification

   8

2.3

  

Configuration

   8

2.4

  

Operation

   8

2.5

  

Test S-BSS Operational Scenario

   9

2.5.1

  

Preconditions

   9

2.5.2

  

Scenario Description

   9

 

v

HUGHES PROPRIETARY

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

Test S-BSS Overview

H42660 RevA.02

 

List of Tables

 

Table 2-1

   [***]    8

Table 2-2

   [***]    8

Table 2-3

   [***]    10

Table 2-4

   [***]    10

 

vi

HUGHES PROPRIETARY

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

   Test S-BSS Overview    H42660 RevA.02

 

1. Purpose

This document describes test mode functionality in the S-BSS. The intent of the
document is to provide a system level view of a Test S-BSS and the parameters
that are used to configure a S-BSS to put it in test mode.

 

1.1. Definitions and Acronyms

 

Acronym

  

Meaning

S-BSS

   Satellite Base Station Subsystem

UT

   User Terminal

BCCH

   Broadcast Control Channel

EMS

   Element Management System

 

7

HUGHES PROPRIETARY

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

Test S-BSS Overview

H42660 RevA.02

 

2. Test S-BSS

 

2.1. Overview

In case there are [***].

 

2.2. Specification

The concept of [***].

 

i     Table 2-1 [***]

[***]

   [***]   [***]   [***]

[***]

   [***]   [***]   [***]      [***]   [***]

[***]

   [***]   [***]   [***]      [***]   [***]

[***]

   [***]   [***]   [***]      [***]   [***]

[***]

   [***]   [***]   [***]      [***]   [***]

 

2.3. Configuration

 

  •  

[***]

Note that the 2nd option is [***]

 

  •  

S-BSS Configuration : For test mode operation [***]

 

  •  

Note that this mode is [***]

Note that in the current S-BSS software release [***].

It is to be noted that [***]

 

2.4. Operation

In a cell [***]

i    Table 2-2 [***]

 

[***]

   [***]    [***]   [***]   [***]

[***]

   [***]    [***]   [***]   [***]

 

8

HUGHES PROPRIETARY

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

Test S-BSS Overview

H42660 RevA.02

 

   [***]    [***]    [***]    [***]

[***]

   [***]    [***]    [***]    [***]    [***]    [***]    [***]    [***]    [***]
   [***]    [***]    [***]

Note 1: The current implementation [***]

Note 2: Similarly with the [***]

 

2.5. Test S-BSS Operational Scenario

Test S-BSS and Normal S-BSS [***]

[***]

2.5.1   Preconditions

This operational scenario [***]

[***]

2.5.2   Scenario Description

[***]

 

9

HUGHES PROPRIETARY

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

Test S-BSS Overview

H42660 RevA.02

 

Refer to the table below [***]

i    Table 2-3 [***]

 

[***]

  

[***]

  

[***]

  

[***]

  

[***]

[***]    [***]    [***]    [***]    [***]          [***]    [***]    [***]   
[***]    [***]    [***]          [***]    [***] [***]    [***]    [***]    [***]
   [***]          [***]    [***]    [***]    [***]    [***]    [***]         
[***]    [***]

Refer to the table below [***]

ii    Table 2-4 [***]

 

[***]

   [***]    [***]    [***]    [***]

[***]

   [***]    [***]    [***]    [***]    [***]    [***]    [***]    [***]

[***]

   [***]    [***]    [***]    [***]    [***]    [***]    [***]    [***]    [***]
   [***]    [***]    [***]TR

 

10

HUGHES PROPRIETARY

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p47to50.jpg]    AMENDMENT 5   

 

 

Appendix A to Exhibit B3

TerreStar Satellite Base Station Subsystem

(S-BSS)

[***]-QOS Workaround Functional Requirements

 

Hughes Doc. # H35516, Version 1.2.   April 5, 2010

Hughes Network Systems, LLC

11717 Exploration Lane

Germantown, Maryland 20876

TerreStar Networks, Inc.

One Discovery Place

12010 Sunset Hills Road, 6th Floor

Reston, Virginia 20190

 

This document contains data and information proprietary to Hughes Network
Systems, LLC and TerreStar Networks Inc. This data is being furnished pursuant
to the provisions of the Contract between TerreStar Networks Inc. and Hughes
Network Systems, LLC for the TerreStar Satellite Base Station Subsystem. Hughes
Network Systems, LLC and TerreStar Networks Inc. shall have the right to
duplicate, use or disclose the data and information to the extent specified in
the Contract.

Exhibit B3    Version 1.2    04/05/2010    Page 1 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p47to50.jpg]    AMENDMENT 5   

 

 

Revision History

 

Date

   Version   

Description

  

Author

3/2/10    1.0    Initial Release    [***] 3/18/10    1.1    Initial Release   
[***] 4/05/10    1.2    Update for EMS statistics    [***]

 

Exhibit B3    Version 1.2    04/05/2010    Page 2 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p47to50.jpg]    AMENDMENT 5   

 

 

Contents

 

REVISION HISTORY

   I 1.0    OVERVIEW    4 2.0    Requirements    4

 

Exhibit B3    Version 1.2    04/05/2010    Page 3 of 50

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

Confidential treatment has been requested for portions of this exhibit and such
portions have been filed separately with the Commission. The copy filed herewith
omits the information for which confidential treatment has been requested and
replaces it with [***].

 

LOGO [g43623ex10_4-p47to50.jpg]    AMENDMENT 5   

 

 

1.0 OVERVIEW

The SBSS shall support the [***]-QOS workaround in 2 phases.

[***].

2.0 REQUIREMENTS

The technical requirements are specified in the TerreStar document APN Issues
Draft 0.3 23 February, 2010 with the modifications contained within section
3.3.2 and listed below:

 

  1. Addition of a new (second) [***]

 

  2. Enable (or disable) use of the [***]

 

  3. Enable the configuration of [***]

 

  4. The [***]

 

  5. The [***]

 

Exhibit B3    Version 1.2    04/05/2010    Page 4 of 50