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ITU-R R23-WP4C Meeting Documents
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Results: 51 total items.
Result Page:  1 - 2  - Next
Number  Date Source Title Questions 
  Number  Posted Size    
 
[ 542 ]  2026-02-09 Chair, WP 4C   Analysis of work plan of WRC-27 agenda item 1.13     AI1.13  
  [ 542 ] Revision 1 Part 2 - English -  Word 2026-04-17 [16:58]  19'522  bytes  
  [ 542 ] Revision 1 - English -  Word 2026-04-17 [11:56]  94'013  bytes  
  [ 542 ] Revision 1 Part 1 - English -  Excel 2007 2026-04-15 [17:22]  18'864  bytes  
 
[ 693 ]  2026-04-10 United States   Working document on sharing and compatibility studies in relation to WRC-27 agenda item 1.13     AI1.13  
  [ 693 ]  - English -  Word 2026-04-15 [14:11]  270'010  bytes  
 
[ 694 ]  2026-04-10 United States   Working document on sharing and compatibility studies in relation to WRC-27 agenda item 1.13 (AMS)     AI1.13  
  [ 694 ]  - English -  Word 2026-04-15 [11:43]  414'267  bytes  
 
[ 698 ]  2026-04-10 European Broadcasting Union   Working document towards draft CPM text for WRC-27 agenda item 1.12 - Proposed modifications to Annex 7 to Document 4C/528     AI1.12  
  [ 698 ]  - English -  Word 2026-04-16 [11:28]  54'844  bytes  
 
[ 737 ]  2026-04-10 China   Proposed modifications to the 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     N/A  
  [ 737 ]  - English -  Word 2026-04-15 [16:42]  66'183  bytes  
 
[ 740 ]  2026-04-15 BR, Study Groups Department   List of documents issued (Documents 4C/528 - 4C/740)     N/A  
  [ 740 ]  - English -  Word 2026-04-16 [15:43]  80'863  bytes  
 
[ 545 ]  2026-02-18 World Meteorological Organization   Preliminary position on WRC-27 agenda     AI1.11, AI1.12, AI1.13, AI1.14  
  [ 545 ]  - English -  Word 2026-02-19 [11:54]  74'929  bytes  
 
[ 575 ]  2026-04-09 India   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     Q288/4  
  [ 575 ]  - English -  Word 2026-04-10 [11:32]  70'244  bytes  
 
[ 603 ]  2026-04-09 Saudi Arabia   A cross-border sharing study of DC-MSS-IMT and IMT systems in the frequency range 698 to 960 MHz     AI1.13  
  [ 603 ]  - English -  Word 2026-04-14 [11:16]  1'583'412  bytes  
 
[ 627 ]  2026-04-10 IAFI   Updates to the working document towards draft CPM text for WRC-27 agenda item 1.13     AI1.13  
  [ 627 ]  - English -  Word 2026-04-16 [08:57]  94'172  bytes  
 
[ 663 ]  2026-04-10 France   Working document in support of WRC-31 preliminary agenda item 2.9 - Technical characteristics and operational objectives of emerging RNSS systems     AI2.9  
  [ 663 ]  - English -  Word 2026-04-15 [10:23]  2'139'684  bytes  
 
[ 682 ]  2026-04-10 United States   Proposed updates to the working document in support of WRC-31 preliminary agenda item 2.9     AI2.9  
  [ 682 ]  - English -  Word 2026-04-15 [14:02]  1'237'441  bytes  
 
[ 684 ]  2026-04-10 United States   Proposed modifications to the 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     N/A  
  [ 684 ]  - English -  Word 2026-04-15 [14:05]  410'543  bytes  
 
[ 685 ]  2026-04-10 United States   Working document towards a preliminary draft new Report - Study of alternatives to a per-satellite maximum pfd level in ensuring that no single radionavigation-satellite system or network in the 1 164-1 215 MHz frequency band uses up the entire interference allowance specified by resolves 1 of Resolution 609 (Rev.WRC-07)     N/A  
  [ 685 ]  - English -  Word 2026-04-15 [14:06]  151'133  bytes  
 
[ 692 ]  2026-04-10 United States   Elements for working document on sharing and compatibility studies in relation to WRC-27 agenda item 1.13 - Compatibility studies for Aeronautical Mobile Telemetry     AI1.13  
  [ 692 ]  - English -  Word 2026-04-15 [13:51]  7'981'030  bytes  
 
[ 699 ]  2026-04-10 European Space Agency (ESA)   Working document in support of WRC-31 provisional agenda item 2.9 - Technical characteristics and operational objectives of emerging RNSS systems     AI2.9  
  [ 699 ]  - English -  Word 2026-04-15 [11:31]  1'479'829  bytes  
 
[ 705 ]  2026-04-10 Viasat, Inc.   Coexistence of MSS space-to-space systems and other GSO and non-GSO MSS systems     AI1.11  
  [ 705 ]  - English -  Word 2026-04-15 [14:06]  3'135'014  bytes  
  [ 705 ] Part 1 - English -  Word 2026-04-15 [11:40]  1'721'916  bytes  
 
[ 738 ]  2026-04-10 China   Proposed updates to working document in support of WRC-31 preliminary agenda item 2.9     AI2.9  
  [ 738 ]  - English -  Word 2026-04-15 [17:09]  44'263  bytes  
 
[ 691 ]  2026-04-10 United States   Elements for working document on sharing and compatibility studies in relation to WRC-27 agenda item 1.13 - Study of impact on incumbent AMT systems operating in 2 360-2 395 MHz from non-geostationary orbiting satellite systems operating in 2 300-2 400 MHz and meeting a candidate power flux-density mask     AI1.13  
  [ 691 ]  - English -  Word 2026-04-15 [11:36]  1'201'400  bytes  
 
[ 681 ]  2026-04-10 United States   Proposed draft reply liaison statement to Working Party 7C on EESS-RNSS matters - (Questions ITU-R 217-2/4 and 288/4)     Q217/4, Q288/4  
  [ 681 ]  - English -  Word 2026-04-15 [11:31]  34'158  bytes  
 
[ 546 ]  2026-03-16 United Arab Emirates   Updates to 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     Q217/4, Q288/4  
  [ 546 ]  - English -  Word 2026-03-17 [10:33]  50'407  bytes  
 
[ 728 ]  2026-04-10 China   Update of sharing and compatibility studies between MSS and IMT in the 2 120-2 170 MHz frequency band under WRC-27 agenda item 1.14     AI1.14  
  [ 728 ]  - English -  Word 2026-04-15 [15:48]  391'788  bytes  
 
[ 739 ]  2026-04-10 Germany   Proposals on to the work of Working Party 4C on the working document towards draft CPM text for WRC-27 agenda item 1.13     AI1.13  
  [ 739 ]  - English -  Word 2026-04-15 [16:47]  106'291  bytes  
 
[ 736 ]  2026-04-10 China   Proposal for 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 sharing and compatibility studies between the mobile-satellite service (MSS) and other services     N/A  
  [ 736 ]  - English -  Word 2026-04-15 [16:16]  33'270  bytes  
 
[ 735 ]  2026-04-10 China   Sharing and compatibility studies between MSS and IMT in 2 010-2 025 MHz frequency band under WRC-27 agenda item 1.14     AI1.14  
  [ 735 ]  - English -  Word 2026-04-15 [16:41]  590'052  bytes  
 
[ 734 ]  2026-04-10 China   Sharing and compatibility studies between MSS and FS in 2 010-2025 MHz frequency band under WRC-27 agenda item 1.14     AI1.14  
  [ 734 ]  - English -  Word 2026-04-15 [16:46]  298'753  bytes  
 
[ 733 ]  2026-04-10 China   Proposed updates to sharing and compatibility studies between MSS and SAP/SAB operated in 2 010-2 025 MHz frequency band under WRC-27 agenda item 1.14     AI1.14  
  [ 733 ]  - English -  Word 2026-04-15 [16:42]  3'249'202  bytes  
 
[ 732 ]  2026-04-10 China   Compatibility analysis of interference between MSS system and MS system under WRC-27 agenda item 1.14     AI1.14  
  [ 732 ]  - English -  Word 2026-04-15 [16:41]  1'634'106  bytes  
 
[ 731 ]  2026-04-10 China   Additional analysis of sharing and compatibility studies between the MSS system and SOS system under WRC-27 agenda item 1.14     AI1.14  
  [ 731 ]  - English -  Word 2026-04-15 [16:45]  1'114'137  bytes  
 
[ 730 ]  2026-04-10 China   Proposed updates on working document on sharing and compatibility studies of possible new allocations to the MSS on WRC-27 agenda item 1.14     AI1.14  
  [ 730 ]  - English -  Word 2026-04-15 [15:51]  1'144'385  bytes  
 
[ 729 ]  2026-04-10 China   Review of working document on sharing and compatibility studies of possible new allocations to the MSS - WRC-27 agenda item 1.14     AI1.14  
  [ 729 ] Part 1 - English -  Excel 2007 2026-04-15 [15:50]  37'202  bytes  
  [ 729 ]  - English -  Word 2026-04-15 [15:50]  66'287  bytes  
 
[ 727 ]  2026-04-10 China   Proposal for sharing and compatibility studies in the frequency band 2 500-2 690 MHz in relation to WRC-27 agenda item 1.13     AI1.13  
  [ 727 ] Part 1 - English -  Excel 2007 2026-04-15 [16:15]  53'971  bytes  
  [ 727 ]  - English -  Word 2026-04-15 [16:15]  507'419  bytes  
 
[ 726 ]  2026-04-10 China   Proposal on draft reply liaison statement to 3GPP on NTN in TN spectrum     N/A  
  [ 726 ]  - English -  Word 2026-04-15 [16:01]  37'366  bytes  
 
[ 725 ]  2026-04-10 China   Proposal on draft CPM text regarding WRC-27 agenda item 1.13     AI1.13  
  [ 725 ]  - English -  Word 2026-04-15 [16:00]  55'501  bytes  
 
[ 724 ]  2026-04-10 China   Proposal on revisions of the working document on sharing and compatibility studies under WRC-27 agenda item 1.13     AI1.13  
  [ 724 ]  - English -  Word 2026-04-15 [15:57]  625'804  bytes  
 
[ 723 ]  2026-04-10 China   Analysis on the applicability of Recommendation ITU-R M.2101 under WRC-27 agenda item 1.13     AI1.13  
  [ 723 ]  - English -  Word 2026-04-15 [15:44]  10'948'211  bytes  
 
[ 722 ]  2026-04-10 China   Proposal on sharing and compatibility studies of DC-MSS-IMT systems in the frequency band 2 300-2 400 MHz in relation to WRC-27 agenda item 1.13     AI1.13  
  [ 722 ]  - English -  Word 2026-04-15 [16:03]  662'562  bytes  
  [ 722 ] Part 1 - English -  Excel 2007 2026-04-15 [15:53]  34'719  bytes  
 
[ 721 ]  2026-04-10 China   Sharing and compatibility studies between the DC-MSS-IMT system and SOS system under WRC-27 agenda item 1.13     AI1.13  
  [ 721 ]  - English -  Word 2026-04-15 [16:16]  256'730  bytes  
 
[ 720 ]  2026-04-10 China   Sharing and compatibility studies between the DC-MSS-IMT system and incumbent MSS system under WRC-27 agenda item 1.13     AI1.13  
  [ 720 ]  - English -  Word 2026-04-15 [16:00]  320'371  bytes  
 
[ 719 ]  2026-04-10 China   Compatibility analysis between DC-MSS-IMT system and MS system under WRC-27 agenda item 1.13     AI1.13  
  [ 719 ]  - English -  Word 2026-04-15 [16:00]  1'046'690  bytes  
 
[ 718 ]  2026-04-10 China   Sharing and compatibility studies between DC-MSS-IMT and IMT under WRC-27 agenda item 1.13     AI1.13  
  [ 718 ]  - English -  Word 2026-04-15 [14:16]  407'541  bytes  
 
[ 717 ]  2026-04-10 China   Sharing and compatibility studies between DC-MSS-IMT and HIBS under WRC-27 agenda item 1.13     AI1.13  
  [ 717 ]  - English -  Word 2026-04-15 [16:03]  666'798  bytes  
 
[ 716 ]  2026-04-10 China   Sharing and compatibility studies of DC-MSS-IMT and incumbent services in the frequency band 1 710-2 200 MHz     AI1.13  
  [ 716 ] Part 1 - English -  Excel 2007 2026-04-15 [14:14]  59'452  bytes  
  [ 716 ]  - English -  Word 2026-04-15 [14:13]  1'193'366  bytes  
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