I.KHI.
TEL No.071-928-5746
23 Apr 93 16:50 No.012 P.02
TELEFAX
International Telecommunication Union
To Fax No:
+44 71 928 57 46
Addresses:
RADIOGEN LONDON
International Fax No. +41 22 730 67 85
Radiocommunication Bureau
Place des Nationa
1211 Geneve 20 - Switzerland
Page No.
حلة
Date 13 0.93
Time
5359
Mu
P. Korobenkov
ITU Direct
+41 22 730
Contact:
Head SSC
Phone No.
50 00
BR 11C(SSC)/0.0818/93
SUBJECT
REFERENCE :
1.
ADVANCE PUBLICATION OF INFORMATION ON THE APSTAR 1 TO 4 SATELLITE NETWORKS
YOUR LETTER RU/2157-2160/SS DATED 23 DECEMBER 1992
IN RESPONSE TO YOUR ENQUIRY OF 1 APRIL 1993, PLEASE BE INFORMED THAT THE APSTAR NETWORKS'ADVANCE INFORMATION WAS RECEIVED ON 4 JANUARY 1993. THE
RADIOCOMMUNICATION BUREAU EXPECTS TO PUBLISH THIS INFORMATION IN APPROXIMATELY TWO TO THREE MONTHS.
2.
THE BUREAU HAS EXAMINED THE INFORMATION FROM THE REGULATORY POINT OF VIEW AND HAS THE FOLLOWING REMARKS FOR YOUR CONSIDERATION AND APPROPRIATE ACTION. 3. KINDLY PROVIDE THE VALUES OF RECEIVING SYSTEM NOISE TEMPERATURE FOR EACH TYPE OF RECEIVING EARTH STATION.
4. THE DATA REGARDING SPACE OPERATIONS SHOULD ALSO BE SUBMITTED BY USE OF THE STANDARD "AP4" FORM OF NOTICE AND INCLUDE ALL THE MANDATORY APPENDIX 4
CHARACTERISTICS OF THE PLANNED OPERATIONS.
5.
YOUR ATTENTION IS DRAWN TO THE FACT THAT OPERATIONS IN THE 11.2 - 11.45 GHZ BAND ARE EXCLUSIVELY GOVERNED BY THE PROVISIONS OF APPENDIX 30B(ORB-88), THE PROVISIONS OF ARTICLE 11 NOT BEING APPLICABLE TO OPERATIONS IN THIS BAND, AS CUSTOMARY IN SUCH CASES, THE BUREAU WILL EXCLUDE THE APPENDIX 4 DATA REGARDING THIS BAND FROM THE FUTURE SPECIAL SECTIONS UNDER RR1042/1044 AND WILL TAKE NO FURTHER ACTION IN THIS RESPECT.
6.
FOR YOUR INFORMATION, ON 17 NOVEMBER 1992 ADVANCE INFORMATION ON THE FOLLOWING SATELLITE NETWORKS WAS RECEIVED FROM THE CHINESE ADMINISTRATION:
• APSTAR-1 (131E);
- APSTAR-2 (134E);
- APSTAR-3 ( 93E); AND
- APSTAR-4 ( 77E).
SIMILARLY TO THE INFORMATION SUBMITTED BY YOUR ADMINISTRATION, THE CHINESE APSTAR NETWORKS ARE PLANNED FOR FIXED-SATELLITE SERVICE OPERATIONS IN THE 6/4 AND 14/11 GHZ BANDS. OVERALL, THE INFORMATION PROVIDED BY YOUR ADMINISTRATIONS ARE VERY SIMILAR IN NATURE WITH THE EXCEPTION OF ONE ORBITAL POSITION. YOUR COMMENTS, IF ANY, IN THE MATTER WOULD BE GREATLY APPRECIATED.
REGARDS RADIOCOMMUNICATION BUREAU.
gluom
G. KOVACS
HEAD OF SPACE SERVICES DEPARTMENT
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