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ITU-R R23-WP4C Meeting Documents
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Results: 98 total items.
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Number  Date Source Title
  Number  Posted Size  
 
[ 528 ]  2025-10-24 Chair, WP 4C   Report of the thirty-fourth meeting of Working Party 4C (Geneva, 15-24 October 2025)    
  [ 528 ] Annex 25 - English -  Word 2025-11-03 [16:52]  1'231'073  bytes  
  [ 528 ] Annex 19 - English -  Word 2025-11-03 [16:42]  41'348  bytes Work plan for the revision of Recommendation ITU-R M.1184-3 - Technical characteristics of mobile satellite systems in the frequency bands below 3 GHz for use in developing criteria for sharing between the mobile satellite service (MSS) and other services  
  [ 528 ] Annex 22 - English -  Word 2025-11-03 [16:29]  66'915  bytes Working document towards a preliminary draft revision to Recommendation ITU-R M.2031-1 - Characteristics and protection criteria of receiving earth stations and characteristics of transmitting space stations in the radionavigation-satellite service (space-to-Earth) operating in the band 5 010-5 030 MHz  
  [ 528 ] Annex 20 - English -  Word 2025-11-03 [16:22]  392'243  bytes Working document towards a preliminary draft new Report ITU-R M.[RES.609] - Potential mitigation methods to ensure the aggregate equivalent power flux-density (epfd) limit on radionavigation-satellite service (RNSS) systems and networks operating in the 1 164-1 215 MHz band, from resolves 1 of Resolution 609 (Rev.WRC-07), is not exceeded  
  [ 528 ] Annex 3 - English -  Word 2025-11-03 [16:21]  6'063'617  bytes Working document regarding WRC-27 agenda item 1.11 - Space-to-space links in the frequency bands 1 518-1 544 MHz, 1 545-1 559 MHz, 1 610-1 645.5 MHz, 1 646.5-1 660 MHz, 1 670-1 675 MHz and 2 483.5-2 500 MHz allocated to the mobile-satellite service (MSS)  
  [ 528 ] Annex 21 - English -  Word 2025-11-03 [15:53]  75'275  bytes Preliminary draft revision to Recommendation ITU-R M.1787-[6] - Description of systems and networks in the radionavigation-satellite service (space-to-Earth and space-to-space) and technical characteristics of transmitting space stations operating in the bands 1 164-1 215 MHz, 1 215-1 300 MHz and 1 559-1 610 MHz  
  [ 528 ] Annex 17 - English -  Word 2025-11-03 [15:41]  43'783  bytes Supporting material on the MSS Protection Criteria to be used in sharing and compatibility studies within the context of WRC-27 agenda items 1.12, 1.13, and 1.14  
  [ 528 ] Annex 9 - English -  Word 2025-11-03 [15:31]  1'474'449  bytes Working document on the possible description and functionality of MSS systems for direct connectivity between space stations and IMT user equipment  
  [ 528 ] Annex 7 - English -  Word 2025-11-03 [15:30]  48'856  bytes Working document towards draft CPM text for WRC-27 agenda item 1.12  
  [ 528 ] Annex 6 - English -  Word 2025-11-03 [15:28]  47'108  bytes Draft work plan for WRC-27 agenda item 1.12  
  [ 528 ] Annex 18 - English -  Word 2025-11-03 [15:27]  198'637  bytes Preliminary draft revision of Recommendation ITU-R M.1184-3 - Technical characteristics of mobile satellite systems in the frequency bands below 3 GHz for use in developing criteria for sharing between the mobile-satellite service (MSS) and other services  
  [ 528 ] Annex 1 - English -  Word 2025-11-03 [15:26]  48'932  bytes Working document towards draft CPM text for WRC-27 agenda item 1.11  
  [ 528 ] Annex 16 - English -  Word 2025-11-03 [15:15]  91'651  bytes Working document towards a preliminary draft revision of Recommendation ITU-R M.1480 - Essential technical requirements of mobile earth stations of geostationary mobile-satellite systems that are implementing the global mobile personal communications by satellite (GMPCS) - memorandum of understanding arrangements in parts of the frequency band 1-3 GHz  
  [ 528 ] Annex 14 - English -  Word 2025-11-03 [15:14]  45'606  bytes Working document relating to CPM text for WRC-27 agenda item 1.14 - New frequency allocations to the mobile-satellite service in the frequency bands 2 010-2 025 MHz (Earth-to-space) and 2 160-2 170 MHz (space-to-Earth) in Regions 1 and 3 and 2 120-2 160 MHz (space-to-Earth) in all Regions  
  [ 528 ] Annex 15 - English -  Word 2025-11-03 [14:54]  86'228  bytes Working document relating to common frequency bands - Text developed by SWG 4C1a  
  [ 528 ] Annex 13 - English -  Word 2025-11-03 [14:25]  37'081  bytes Detailed workplan for WRC-27 agenda item 1.14  
  [ 528 ] Annex 12 Part 1 - English -  Excel 2007 2025-11-03 [14:15]  36'398  bytes  
  [ 528 ] Annex 12 - English -  Word 2025-11-03 [14:15]  16'043'705  bytes Working document on sharing and compatibility studies of possible new allocations to the MSS on WRC-27 agenda item 1.14  
  [ 528 ] Annex 10 - English -  Word 2025-11-03 [13:36]  41'425  bytes Work plan for WRC-27 agenda item 1.13  
  [ 528 ] Annex 4 - English -  Word 2025-11-03 [11:02]  37'806  bytes Work plan for WRC-27 agenda item 1.11  
  [ 528 ] Annex 2 - English -  Word 2025-11-03 [11:01]  79'277  bytes Enabler table for System characteristics and sharing studies for WRC-27 agenda item 1.11  
  [ 528 ] Annex 2 - Part 1 - English -  Excel 2007 2025-11-03 [10:44]  42'739  bytes  
  [ 528 ] Annex 11 - English -  Word 2025-11-03 [09:56]  34'661  bytes Working document towards draft CPM text for WRC-27 agenda item 1.13  
  [ 528 ] Annex 8 Part 9 - English -  Word 2025-10-30 [13:47]  286'364  bytes  
  [ 528 ] Annex 8 Part 8 - English -  Word 2025-10-30 [13:46]  47'069  bytes  
  [ 528 ] Annex 8 Part 7 - English -  Word 2025-10-30 [13:45]  1'518'858  bytes  
  [ 528 ] Annex 8 Part 6 - English -  Word 2025-10-30 [13:44]  13'095'394  bytes  
  [ 528 ] Annex 8 Part 5 - English -  Word 2025-10-30 [13:43]  4'756'393  bytes  
  [ 528 ] Annex 8 Part 4 - English -  Word 2025-10-30 [13:41]  24'367'634  bytes  
  [ 528 ] Annex 8 Part 3 - English -  Word 2025-10-30 [13:40]  6'039'576  bytes  
  [ 528 ] Annex 8 Part 2 - English -  Word 2025-10-30 [13:37]  7'944'998  bytes  
  [ 528 ] Annex 8 Part 1 - English -  Word 2025-10-30 [11:58]  8'143'242  bytes  
  [ 528 ] Annex 8 - English -  Word 2025-10-30 [11:57]  3'020'074  bytes Working document on sharing and compatibility studies under WRC-27 agenda item 1.13  
  [ 528 ] Annex 24 - English -  Word 2025-10-28 [18:08]  1'150'992  bytes Handbook on Satellite Communications and Technologies - Chapter 6  
  [ 528 ] Annex 23 - English -  Word 2025-10-28 [18:04]  45'317  bytes Handbook on Satellite Communications and Technologies - Chapter 5  
 
[ 529 ]  2025-10-21 International Maritime Organization   Report of the twenty-first meeting of the joint IMO/ITU Experts Group on Maritime Radiocommunication Matters    
  [ 529 ]  - English -  Word 2025-10-29 [16:46]  112'195  bytes  
 
[ 527 ]  2025-10-24 Director, BR   Final list of participants - Working Party 4C (Geneva, 15-24 October 2025)    
  [ 527 ]  - English -  PDF (acrobat) 2025-10-27 [14:25]  201'744  bytes  
 
[ TD 107 ]  2025-10-23 WP 4C   Note to Vocabulary Rapporteur for Study Group 4: Feedback on the term "multiple-input and multiple-output (MIMO)" and its definition developed by ITU-R Working Party 5C and submitted to the CCT for validation - [Draft] reply liaison statement to Coordination Committee for Terminology (copy to ITU-T Study Groups 5, 13 and 15 and Working Parties 4B, 5A, 5D, and 6A for information)    
  [ TD 107 ]  - English -  Word 2025-10-24 [15:07]  35'928  bytes  
 
[ ADM 47 ]  2025-10-24 Chair, WP 4C   Agenda for the closing Plenary meeting of Working Party 4C - Friday, 24 October 2025, from 1045 to 1700 hours (Geneva time) (Physical meeting with remote participation) (Room Popov, ITU Tower)    
  [ ADM 47 ] Revision 1 - English -  Word 2025-10-24 [13:54]  43'349  bytes  
 
[ TD 102 ]  2025-10-23 Ad-Hoc Group on Handbook   Draft reply liaison statement to Working Party 4A - Comments for sections 5 and 6 regarding MSS and RDSS/RNSS of the draft working document for the Handbook on Satellite Communications and Technologies    
  [ TD 102 ] Revision 2 - English -  Word 2025-10-24 [13:51]  1'203'060  bytes  
  [ TD 102 ] Part 2 - English -  Word 2025-10-24 [10:59]  43'069  bytes  
  [ TD 102 ] Part 1 - English -  Word 2025-10-24 [10:59]  1'144'980  bytes  
 
[ TD 138 ]  2025-10-24 WG 4C1   Working document towards a preliminary draft revision of Recommendation ITU-R M.1480 - Essential technical requirements of mobile earth stations of geostationary mobile-satellite systems that are implementing the global mobile personal communications by satellite (GMPCS) - memorandum of understanding arrangements in parts of the frequency band 1-3 GHz    
  [ TD 138 ]  - English -  Word 2025-10-24 [13:55]  93'312  bytes  
 
[ TD 137 ]  2025-10-24 WG 4C1   Work plan for WRC-23 agenda item 1.13    
  [ TD 137 ]  - English -  Word 2025-10-24 [13:40]  41'579  bytes  
 
[ TD 140 ]  2025-10-24 WG 4C1   Working document towards draft CPM text for WRC-27 agenda item 1.13    
  [ TD 140 ]  - English -  Word 2025-10-24 [13:47]  37'640  bytes  
 
[ TD 139 ]  2025-10-24 WG 4C1   Reply liaison statement to Working Party 7B - Studies on WRC-27 agenda item 1.13    
  [ TD 139 ]  - English -  Word 2025-10-24 [13:56]  44'977  bytes  
 
[ TD 136 ]  2025-10-24 WG 4C1   Reply liaison statement to Working Party 5D - Studies on WRC-27 agenda item 1.13    
  [ TD 136 ]  - English -  Word 2025-10-24 [13:45]  35'141  bytes  
 
[ TD 135 ]  2025-10-24 WG 4C1   Working document on the possible description and functionality of MSS systems for direct connectivity between space stations and IMT user equipment    
  [ TD 135 ]  - English -  Word 2025-10-24 [13:40]  1'471'721  bytes  
 
[ TD 134 ]  2025-10-24 WG 4C1   Working document on sharing and compatibility studies under WRC-27 agenda item 1.13    
  [ TD 134 ] Part 1 - English -  Word 2025-10-24 [15:49]  8'145'169  bytes  
  [ TD 134 ] Part 9 - English -  Word 2025-10-24 [14:05]  286'364  bytes  
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