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ITU-R WP4A  TD (2004-04-14) 

ITU-R WP4A

Efficient orbit/spectrum utilization

Meeting  from 2004-04-14 to 2004-04-23

held in Switzerland [Geneva]
Results:39 total items.
Temporary Documents  Documents / Contributions
 
Number 
Title Source AI/Question
 		Date
[ 39 ]  
  		Preliminary draft new Recommendation: Methodology for determining whether an FSS earth station at a given location could transmit in the band 13.75-14 GHz without exceeding the pfd limit in RR No. 5.502     WP 4A     2004-04-22
[ 38 ]  
  		Analysis of interference from HEO system TT & C transmissions into GSO/FSS networks     WP 4A (Sub-Working Group 4A-2a)     2004-04-22
[ 37 ]  
  		WRC-03 agenda item 1.19 - Element for the Chairman's Report     WP 4A, SWG 4A-2e     2004-04-22
[ 36 ]  
  		Liaison statement to Working Party 1B - Comments regarding PDNR SM[...]     WP 4A     2004-04-21
[ 35 ]  
  		Sharing between BSS and FSS in the 12 GHz frequency range     WP 4A, SWG 4A-1c     2004-04-21
[ 34 ]  
  		Liaison statement to Working Party 3M - Use of Recommendation ITU-R P.452     WP 4A, SWG 4A-1c     2004-04-21
[ 33 ]  
  		Draft liaison statement ot Working Party 7B - Compatibility studies for geostationary meteorological satellite systems operating in the space-to-Earth direction, and the fixed-satellite service, in the 18.0-18.1 GHz and/or 18.3-18.4 GHz bands     WP 4A, SGW 4A-2 ad hoc     2004-04-21
[ 32 ]  
  		Discussion on methods to ensure that the pfd limits at country borders in the band 13.75-14 GHz are met     WP 4A, SWG 4A-1c     2004-04-21
[ 31 ]  
  		Working document on the orbital arc value for triggering the inter-service coordination between BSS in Region 2 and FSS (space-to-Earth) in Region 1 in the band 17.3-17.7 GHz     WP 4A, SWG 4A-1c     2004-04-21
[ 30 ]  
  		Power flux-density values in the band 11.7-12.7 GHz and associated calculation methodology which may be used when the power flux-density values in section 6 of Annex 1 to Appendix 30 are exceeded     WP 4A, SWG 4A-1c     2004-04-21
[ 29 ]  
(Rev.1)  		Global broadband systems for Internet applications - Elements for the Chairman's Report     WP 4A, SWG 4A-2e     2004-04-21
[ 28 ]  
  		Liaison statement to Working Party 7D - Broadband satellite systems for Internet applications     WP 4A, SWG 4A-2e     2004-04-21
[ 27 ]  
  		Draft response to liaison statement from Working Party 4-9S - "Request for additional information on the characteristics of HEO fixed-satellite service systems in the 4, 11/12 and 18 GHz bands"     WP 4A, SWG 4A-2a     2004-04-21
[ 26 ]  
  		Preliminary draft new Recommendation ITU-R S.XXX - Methodology to calculate the minimum separation angles at the Earth's surface between the direction of a satellite in the a HEO 'active' arc and the direction of a satellite in the GSO, and thus to find the maximum DT/T that the HEO satellite could cause     WP 4A, SWG 4A-2a     2004-04-21
[ 25 ]  
  		Characteristics of HEO systems and definition of "HEO"     WP 4A/SWG 4A-2a     2004-04-21
[ 24 ]  
  		Draft elements for WP 4A's Chairman's report     WP 4A     2004-04-21
[ 23 ]  
  		Element for the Chairman's Report - Parameters used to derive epfd levels in the 6/4 GHz range     WP 4A / SWG 4A-2b     2004-04-21
[ 22 ]  
(Rev.1)  		Liaison statement from Working Party 4A to the Special Committee - WRC-07 agenda item 1.10 - Studies leading towards a review of Appendix 30B     WP 4A-1d     2004-04-20
[ 21 ]  
  		Proposed draft revision of Recommendation ITU-R BO. 1443-1 - Reference BSS earth station antenna patterns for use in interference assessment involving non-GSO satellites in frequency bands covered by RR Appendix 30     WP 4A     2004-04-20
[ 20 ]  
  		Draft revision of Recommendation ITU-R S.1503 - Functional description to be used in developing software tools for determining conformity of non-geostationary-satellite orbit fixed-satellite system networks with limits contained in Article 22 of the Radio Regulations     WP 4A     2004-04-20
[ 19 ]  
  		Draft liaison statement to Working Party 6S - Draft revision of Recommendations ITU-R S.1503 and ITU-R BO.1443-1     WP 4A     2004-04-20
[ 18 ]  
  		Revision of a PDNR - Static methodology for calculating epfd to trigger very large antenna coordination under Nos. 9.7A and 9.7B of the Radio Regulations     WP 4A (Sub-Group 4A-2b)     2004-04-20
[ 17 ]  
  		Element for the Chairman's report     WP 4A     2004-04-20
[ 16 ]  
  		Drafting Group Chairman's Report - Sub-Group 4A-2c     WP 4A     2004-04-20
[ 15 ]  
  		Working document towards a PDNR on earth station antenna patterns based on measured antenna data     WP 4A-2c     2004-04-20
[ 14 ]  
(Rev.1)  		Draft liaison statement ITU-R Working Party 8D - Satellite frequency allocations that could support the modernization of civil aviation telecommuication systems     Working Party 4A     2004-04-20
[ 13 ]  
(Rev.1)  		Liaison statement to TG 1/8 - Interference from ultra-wideband devices into the fixed-satellite service     WP 4A Sub-Group 4A-1     2004-04-20
[ 12 ]  
(Rev.1-2)  		Draft new Recommendation ITU-R S. - Electronic data file format for earth statio antenna patterns     WP 4A     2004-04-19
[ 11 ]  
(Rev.1)  		Working document towards a preliminary draft revision of Recommendation ITU-R S.524-8 - Maximum permissible levels of off-axis e.i.r.p. density from earth stations in geostationary-satellite orbit networks operating in the fixed-satellite service     WP 4A     2004-04-19
[ 10 ]  
  		Preliminary draft revision of Recommendation ITU-R S.1587 to include new parameters and additional ESV systems     WP 4A-1     2004-04-19
[ 9 ]  
(Rev.1)  		Preliminary draft new Recommendation - Practical levels of unwanted emissions     WP 4A     2004-04-19
[ 8 ]  
  		Liaison statement to Working Parties 1A and 8D - Unwanted emission control for feeder links of the mobile-satellite service in bands near 1.4 GHz     N/A     2004-04-19
[ 7 ]  
  		Liaison statement to Working Party 1A - Bands above 275 GHz     WP 4A     2004-04-19
[ 6 ]  
(Rev.1)  		Question ITU-R XXX/4 - Frequency sharing between the space research service and other services in the 37-38 GHz and 40-40.5 GHz bands     WP 4A   211/7   2004-04-19
[ 5 ]  
(Rev.1-2)  		Working document - Studies leading towards a review of Appendix 30B (WRC-07) agenda item 1.10)     WP 4A, SDG 4A-1D     2004-04-19
[ 4 ]  
(Rev.1)  		Preliminary draft revision of Recommendation ITU-R S.1427 - Methodology and criterion to assess interference from radio local area (RLAN) transmitters to non-GSO MSS feeder links in the band 5 150-5 250 MHz     WP 4A     2004-04-19
[ 3 ]  
(Rev.1)  		Liaison statement to Working Party 7B - Sharing between the space research service (Space very long baseline interferometry telemetry) and the fixed-satellite service in the 37.5-38 GHz band     WP 4A   211/7   2004-04-19
[ 2 ]  
  		Draft revision to Question ITU-R 270/4 - Fixed-satellite service systems using very wideband spreading signals     SDG 4A-1a     2004-04-16
[ 1 ]  
  		Additional GSO systems data for the Recommendation ITU-R S.1328 database     WP 4A     2004-04-15
Results:39 total items.
 
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