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ITU-R R23-WP4A  TD (2025-10-27) 

ITU-R R23-WP4A

Efficient Orbit/Spectrum Utilization for FSS and BSS

Meeting  from 2025-10-27 to 2025-11-06

held in Switzerland [Geneva]
Results:74 total items.
Result page:  1 - 2  - Next Next
Temporary Documents  Documents / Contributions
 
Number 
Title Source AI/Question
 		Date
[ 251 ]  
  		Requests for information from BR     WG 4A2     2025-11-06
[ 250 ]  
  		WRC-27 agenda item 7 considerations     WG 4A3   AI7   2025-11-06
[ 249 ]  
  		Draft note to the Director regarding orbital tolerances for satellite systems not subject to Resolution 8 (WRC-23)     WG 4A3     2025-11-06
[ 248 ]  
  		Annex xx to Working Party 4A Chair's Report - Working document towards candidate topic under WRC-27 agenda item 7 - Additional measures for the enhancement of equitable access to additional uses in Appendices 30 and 30A in Regions 1 and 3     WG 4A3   AI7   2025-11-06
[ 247 ]  
  		Working document towards candidate topic under WRC-27 agenda item 7 - [Enhancing the responsibility of the] notifying administration of a satellite network and/or system     SWG 4A3c   AI7   2025-11-06
[ 246 ]  
  		Working document towards draft CPM text for topic proposed under WRC-27 agenda item 7: Unrealistic gain contours of submissions under RR Appendices 30, 30A and 30B     SWG 4A3   AI7   2025-11-06
[ 245 ]  
  		Working document towards draft CPM text for topic proposed under WRC-27 agenda item 7 - Capability of a space station to satisfy the requirements for bringing into use of frequency assignments specified in the provisions of Radio Regulations Nos. 11.44B, 11.44C, 11.44D and 11.44E     SWG 4A3   AI7   2025-11-06
[ 244 ]  
  		Working document towards [candidate] topic under WRC-27 agenda item 7 - Possible measures to enhance long-term protection and sustainable development of BSS in the plan band against severe misaligned FSS in other regions     SWG 4A3c   AI7   2025-11-06
[ 243 ]  
  		Working document towards candidate topic on WRC-27 agenda item 7 - Inclusion of the territory of a country in the service area of a notified geostationary (GSO) satellite networks in the planned and unplanned BSS frequency bands and in the planned FSS frequency bands subject to Appendices 30A and 30B...     SWG 4A3c   AI7   2025-11-06
[ 242 ]  
  		Working document towards candidate topic under WRC-27 agenda item 7 - Proposed revision to Resolution 170 (Rev.WRC-23)     WG 4A3     2025-11-06
[ 241 ]  
  		Annex XX to Working Party 4A Chair's Report - Working document towards [candidate] topic under WRC-27 agenda item 7 - Proposed revision to Resolution 553 (Rev.WRC-23)     SWG 4A3c   AI7   2025-11-06
[ 240 ]  
  		Elements of working document towards candidate topic under WRC-27 agenda item 7     WG 4A3   AI7   2025-11-06
[ 239 ]  
  		Annex XX to Working Party 4A Chair's Report - [Candidate] topic under WRC-27 agenda item 7     WG 4A3   AI7   2025-11-06
[ 238 ]  
  		Working document towards [candidate] topic under WRC-27 agenda item 7 assessing the review of the existing coordination arc thresholds for frequency bands above [3.4/17.3] GHz     SWG 4A3c     2025-11-06
[ 237 ]  
  		Working document towards [candidate] topic under WRC-27 agenda item 7 assessing the potential advantage to define coordination arc for some frequency bands above 3.4 GHZ     SWG 4A3c   AI7   2025-11-06
[ 236 ]  
  		Working document towards candidate topic under WRC-27 agenda item 7 - Recording of frequency assignments in space services under RR No. 11.41     Chair, SWG 4A3c   AI7   2025-11-06
[ 235 ]  
  		Working document towards candidate topic under WRC-27 agenda item 7 regarding measures to restrict the use of the same satellite to BIU frequency assignments of different GSO satellite networks (within 0.5 degrees of longitude of the physical satellite) without moving the satellite ("hop without move")     WG 4A3     2025-11-06
[ 234 ]  
  		Working document towards candidate topic under WRC-27 agenda item 7 - The use of the same satellite or different satellites to repeatedly bring into use and bring back into use the same frequency assignments of a satellite network or system for a short period of time     WG 4A3   AI7   2025-11-06
[ 233 ]  
  		Working document towards candidate topic under WRC-27 agenda item 7 - potential regulatory improvements related to the application of RR NO. 4.4 to stations of space services     WG 4A3     2025-11-06
[ 232 ]  
  		[Draft] note to the Director regarding orbital tolerances for satellite systems not subject to Resolution 8 (WRC-23)     WG 4A3     2025-11-06
[ 231 ]  
  		Working document towards preliminary draft revision of Recommendation ITU-R S.673-2     Chair, SWG 4A3c     2025-11-06
[ 230 ]  
  		Revisions to WRC-27 agenda item 7 draft work plan     Chair, SWG 4A3c     2025-11-06
[ 229 ]  
  		Elements of working document towards draft CPM text on WRC-27 agenda item 1.6     WG 4A3   AI1.6   2025-11-06
[ 228 ]  
  		Draft Liaison statement to Working Party 4C - Information on non-GSO MSS satellite systems as support for WRC-27 agenda item 1.5     WG 4A3a   AI1.5   2025-11-06
[ 227 ]  
  		Annex xx to Working Party 4A Chair's Report - Information on practical non-GSO FSS and MSS satellite systems as support for WRC-27 agenda item 1.5     WG 4A3   AI1.5   2025-11-06
[ 226 ]  
  		Sections 2 and 3 of elements of working document towards draft CPM text for WRC-27 agenda item 1.5     WG 4A3   AI1.5   2025-11-06
[ 225 ]  
  		Elements for a working document towards a preliminary draft new Report ITU-R S.[IOS SPEC NEEDS] - Spectrum Needs and Operational Description of in-orbit servicing (IOS) to support their safe operation     WG 4A2     2025-11-06
[ 224 ]  
  		Working document towards a draft new [Recommendation][Report] [Earth-station radiation patterns to use when phased-array antennas communicating with both GSOS and NON-GSOS are involved]     WG 4A2     2025-11-06
[ 223 ]  
  		Working document towards a preliminary draft new Recommendation ITU-R S.PLANAR ARRAYS - Reference FSS earth-station planar array radiation pattern [] in frequency bands between [10.7] GHz and [30][50.2] GHz     WG 4A2     2025-11-06
[ 222 ]  
  		Working document towards a preliminary draft new revision of Recommendation ITU-R S.1528 - Satellite antenna radiation patterns for non-geostationary orbit satellite antennas operating in the fixed-satellite service below 30 GHz     WG 4A2     2025-11-06
[ 221 ]  
  		Working document towards a preliminary draft new revision of Recommendation ITU-R S.1717-1     WG 4A2     2025-11-06
[ 220 ]  
  		Draft liaison statement to Working Party 7C - EESS (passive) studies in the 6 425-7 250 MHz range     WG 4A2     2025-11-06
[ 219 ]  
  		Draft reply liaison statement to Working Parties 7C and 7D on WRC-27 agenda item 1.18 - Supplement to system parameters to be used in sharing studies within AI 1.18     WG 4A2   AI1.18   2025-11-06
[ 218 ]  
  		Draft liaison statement to Working Party 5D - Coordination between fixed satellite service (FSS) non-GSO (space-to-Earth) earth stations operating in the frequency band 6 700-7 075 MHz and IMT base stations operating in the frequency band 6 425-7 125 MHz     WG 4A2     2025-11-06
[ 217 ]  
  		Draft reply liaison statement to Working Party 7D on WRC-27 agenda item 1.16 - Technical information to support studies under WRC-27 agenda item 1.16     WG 4A2   AI1.16   2025-11-06
[ 216 ]  
  		Draft reply liaison statement to Working Party 7B - Technical and operational characteristics of FSS/BSS systems for sharing and compatibility studies on WRC-27 agenda item 1.15     WP 4A   AI1.15   2025-11-06
[ 215 ]  
  		[Preliminary] draft revision of Recommendation ITU-R S.1528 - Satellite antenna radiation patterns for non-geostationary orbit satellite antennas operating in the fixed-satellite service below 30 GHz     WG 4A2     2025-11-06
[ 214 ]  
  		[Preliminary] draft revision of Recommendation ITU-R BO.1504 - Effective utilization of spectrum assigned to the broadcasting satellite service (sound)     WG 4A2     2025-11-06
[ 213 ]  
  		Draft work plan for WRC-27 agenda item 1.4     WG 4A2   AI1.4   2025-11-06
[ 212 ]  
  		Working document on WRC-27 agenda item 1.4     WG 4A2   AI1.4   2025-11-06
[ 211 ]  
  		Working document towards draft CPM text for WRC-27 agenda item 1.4     WG 4A2   AI1.4   2025-11-06
[ 210 ]  
  		Draft reply liaison statement to Working Party 3M - WRC-27 agenda item 1.4     WG 4A2   AI1.4   2025-11-06
[ 209 ]  
  		Draft reply liaison statement to Working Parties 5A, 5B, 5C and 7C - WRC-27 agenda item 1.4     WG 4A2   AI1.4   2025-11-06
[ 208 ]  
  		Working document on WRC-27 agenda item 1.2 (Part 1) - Operational and technical limitations for FSS earth stations in the frequency band 13.75-14 GHz (Earth-to-space)     WG 4A2   AI1.2   2025-11-06
[ 207 ]  
  		Working document towards draft CPM text for WRC-27 agenda item 1.2     WG 4A2   AI1.2   2025-11-06
[ 206 ]  
  		Working document related to a preliminary draft new Recommendation ITU-R S.[ESIM-NCMC] - The functionalities and implementation of a network control and monitoring centre for earth stations in motion     WG 4A2     2025-11-06
[ 205 ]  
  		Supporting material for draft CPM text on WRC-27 agenda item 1.1 - Use of frequency bands 47.2-50.2 GHz and 50.4-51.4 GHz (Earth-to-space) by aeronautical and maritime earth stations in motion in the fixed-satellite service     WG 4A2   AI1.1   2025-11-06
[ 204 ]  
  		Working document towards draft CPM text on WRC-27 agenda item 1.1 - Use of frequency bands 47.2-50.2 GHz and 50.4-51.4 GHz (Earth-to-space) by aeronautical and maritime earth stations in motion in the fixed-satellite service     WG 4A2   AI1.1   2025-11-06
[ 203 ]  
  		Preliminary draft new Recommendation ITU-R S.[RES 770] - Functional description to be used in developing software tools for determining conformity of non-geostationary-satellite orbit fixed-satellite service systems or networks in Q/V band with criteria contained in No. 22.5L of the Radio Regulations     WG 4A1     2025-11-06
[ 202 ]  
  		Working document towards a preliminary draft new revision of Recommendation ITU-R S.2157 - Procedures for the evaluation of interference from any non-geostationary-satellite system into a global set of the generic geostationary-satellite reference links in the frequency bands 37.5-39.5 GHz (space-to-Earth), 39.5-42.5 GHz (space-to-Earth)...     WG 4A1     2025-11-06
Results:74 total items.
Result page:  1 - 2  - Next Next
 
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