Page 3 - test

Ref : CM-DFH4-2014-1
BEAZLEY Issue : 1

DFH 4 Series Spacecraft Date : 28 Sept 2014
Page a of 38

Table of contents

1. EXECUTIVE SUMMARY.........................................................................................................................................2
2. SCOPE .......................................................................................................................................................................3
3. REFERENCE DOCUMENTS ..................................................................................................................................3

3.1 Documents with restricted distribution ..........................................................................................3

3.2 Documents on the public domain.....................................................................................................3
3.3 Documents with restricted distribution (IN ORBIT REPORTS).................................................3
4. BACKGROUND INFORMATION ...........................................................................................................................5

4.1 Chinasat Fleet....................................................................................................................................5

4.2 SPACECRAFT UNDER CONSIDERATION FOR THIS ANALYSIS ......................................6
5. OVERVIEW & PROGRAMMATIC ASSESSMENT...............................................................................................7
5.1 OVERVIEW......................................................................................................................................7

5.2 PROGRAMMATIC ASPECTS.......................................................................................................9

5.3 PROGAMMATIC ASPECTS SUMMARY .................................................................................11
6. LAOSAT DFHS-4S SPACECRAFT TECHNICAL ASSESSMENT.....................................................................12
6.1 LAOSAT TECHNICAL ASSEMENT SUMMARY....................................................................17

7. CHINASAT 9 DFHS-4 SPACECRAFT TECHNICAL ASSESSMENT A large number of comments presented
above on LAOSAT could be repeated here .....................................................................................................................18
7.1 CHINASAT 9 DFH 4 TECHNICAL ASSESSMENT SUMMARY ...........................................21

8. CHINASAT 16 DFH S-4S SPACECRAFT TECHNICAL ASSESSMENT Some comments given above are also
applicable here.................................................................................................................................................................23
8.1 CHINASAT 16 DFH-4S TECHNICAL ASSESSMENT SUMMARY......................................28
9. CHINASAT 18 DFH-4E SPACECRAFT TECHNICAL ASSESSMENT Most of the comments made for China
16 can be repeated here. The satellite is even more complex. ........................................................................................29

9.1 CHINASAT 18 DFH 4E TECHNICAL ASSESSMENT SUMMARY.......................................32
10. REVIEW OF THE IN ORBIT DATA AND FINDINGS...................................................................................33

10.1 DOCUMENT DFH4 ANALYSIS...............................................................................................34
10.2 SUMMARY OF THE IN ORBIT ANOMALIES AND DFH EVOLUTION ........................35

11. SUMMARY AND CONCLUSION ......................................................................................................................36

This document is proprietary of BEAZLEY© and must be treated on a confidential basis. It may be used solely by BEAZLEY, use or reproduction, of the document and the
Contained therein, for any other purposes without BEAZLEY written consent is prohibited.