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ITU-R R23-WP4C

Efficient Orbit/Spectrum Utilization for MSS and RDSS

Results:378 total items.
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Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 128 ]  
 
Proposed edits/amendments to document 4C/77, Annex 7     United States     2024-09-27
[ 127 ]  
 
Contribution toward working document regarding WRC-27 agenda item 1.11 - Non-geostationary satellites operating space-to-space links in mobile-satellite service (MSS) allocations 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     United States   AI1.11   2024-09-27
[ 126 ]  
 
MSS system characteristics relevant to WRC-27 agenda item 1.7 studies     United States   AI1.7   2024-09-27
[ 125 ]  
 
Updates to draft revision of Recommendation on new non-GSO RNSS system in the 1 164-1 215 MHz and 1 559-1 610 MHz frequency bands     United States     2024-09-27
[ 124 ]  
 
Proposed draft reply liaison statement to Working Party 7C on EESS-RNSS matters - RNSS-Related Comments on [Working Document Toward a] Preliminary draft new Report ITU-R RS.[AGG_EESS_SAR-RNSS]     United States     2024-09-27
[ 123 ]  
 
Proposed Revisions to preliminary draft revision of Report ITU-R M.2305-0 - Consideration of aggregate radio frequency interference event potentials from multiple Earth exploration-satellite service systems on radionavigation-satellite service receivers operating in the 1 215-1 300 MHz frequency band     United States     2024-09-27
[ 122 ]  
 
Proposed revisions to reply liaison statement to Working Party 5D on WRC-27 agenda item 1.7     Australia   AI1.7   2024-09-26
[ 121 ]  
 
Views regarding the topics to be addressed during Working Parties 4C and 5D joint meeting     Germany   AI1.13   2024-09-25
[ 120 ]  
 
Proposed draft revision of Recommendation ITU-R M.1787-5 - 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     Korea (Rep. of)     2024-09-26
[ 119 ]  
 
Consideration of issues raised from the Working Party 5D related to WRC-27 agenda item 1.13     Korea (Rep. of)   AI1.13   2024-09-26
[ 118 ]  
 
Proposed revisions to working document regarding WRC-27 agenda item 1.11     Korea (Rep. of)   AI1.11   2024-09-26
[ 117 ]  
 
Studies and elements for the working document regarding WRC-27 agenda item 1.12     Norway , Canada   AI1.12   2024-09-25
[ 116 ]  
 
Reply liaison statement to Working Party 7B (copy to Working Parties 3J, 4A, 4C, 5A, 5B, 5C, 5D, 7C and 7D for information) - Information on the standard frequency and time signal service with regards to WRC-27 agenda item 1.15 on lunar communications     WP 7A   AI1.15   2024-09-23
[ 115 ]  
 
Preliminary studies on protection requirement of IMT TN from MSS under WRC-27 agenda item 1.13     France   AI1.13   2024-09-21
[ 114 ]  
 
Studies on development of regulatory measures to limit the unauthorized operations of non-geostationary-satellite orbit (non-GSO) Earth stations in the fixed-satellite service (FSS) and mobile-satellite service (MSS) and associated issues related to the service area of non-GSO FSS and MSS satellite systems     IAFI     2024-09-20
[ 113 ]  
 
Draft liaison statements to Working Party 4A - WRC-27 agenda item 1.5     Kazakhstan   AI1.5   2024-09-20
[ 112 ]  
 
Characteristics of GSO MSS networks for compatibility studies under WRC-27 agenda items 1.13 and 1.14     United Kingdom   AI1.14, AI1.13   2024-09-17
[ 111 ]  
 
Suggested timeline for the collaborations between Working Parties 4C and 5D on preparatory studies for WRC-27 agenda item 1.13     Chair, WP 4C and Acting Chair, WP 5D   AI1.13   2024-09-13
[ 110 ]  
 
Information on joint sessions between Working Parties 4C and 5D in October 2024 to facilitate the ITU-R preparatory studies for WRC-27 agenda item 1.13     Chair, WP 4C and Acting Chair, WP 5D   AI1.13   2024-09-13
[ 109 ]  
 
Modifications to the structure of Working Party 4C     Chair, WP 4C     2024-09-09
[ 108 ]  
 
ITU-R Handbook on satellite communications     Editor of Satellite Communications Handbook     2024-09-05
[ 107 ]  
 
Liaison statement to ITU-R working parties 4C and 5B - WRC-27 agenda item 1.13 - Proposed Technical Parameters to Consider in Studies for Possible New Allocations to the Mobile-Satellite Service Involving Aeronautical Systems Operating in the 960-1 215 MHz Frequency Band     International Civil Aviation Organization   AI1.13   2024-08-22
[ 106 ]  
 
Liaison statement on creation of new work item on economic and policy aspects of the provision of high-speed Internet connectivity by retail satellite operators     ITU-T SG3     2024-07-19
[ 105 ]  
 
Information on the preparation of texts for the draft CPM Report to WRC-27     Chair, CPM-27     2024-07-09
[ 104 ]  
 
Liaison statement to Working Parties 3K, 3M, 4A, 4C, 5A, 5B, 5C, 7B, 7C and 7D - WRC-27 agenda item 1.7     WP 5D   AI1.7   2024-07-08
[ 103 ]  
 
Reply liaison statement to Working Parties 4C and 7B for WRC-27 agenda items 1.12, 1.13, 1.14 and 1.15 - Technical and operational characteristics of HIBS for sharing and compatibility studies in preparation for WRC-27     WP 5D   AI1.15, AI1.14, AI1.13, AI1.12   2024-07-08
[ 102 ]  
 
Reply liaison statement to Working Party 4C - Work related to WRC-27 agenda item 1.13     WP 5D   AI1.13   2024-07-08
[ 101 ]  
 
Reply liaison statement to Working Party 7C (copy to Working Parties 4C, 5A, 5D and 7D for information) - Beam Wireless Power Transmission (WPT)     WP 1A     2024-06-21
[ 100 ]  
 
Reply liaison statement to Working Party 4C (copy to Working Parties 5A, 5D, 7C and 7D for information) - Work of Working Party 1A on beam-Wireless Power Transmission (WPT)     WP 1A     2024-06-21
[ 99 ]  
 
Reply liaison statement to Working Party 7D (copy to Working Parties 4C, 5A, 5D and 7C for information) - Beam Wireless Power Transmission (WPT)     WP 1A     2024-06-21
[ 98 ]  
 
Reply liaison statement to Working Party 7C (copy to Working Parties 4A, 4C, 5A, 5B, 5C, 5D, 6A, 7B and 7D for information) - Relevant technical information to support studies under WRC-27 agenda item 1.17     WPs 3 L and 3M   AI1.17   2024-06-12
[ 97 ]  
 
Reply liaison statement to Working Party 4A (copy to Working Parties 4C, 5A, 5B, 5C, 5D, 7B, 7C and 7D for information) - Information to support studies under WRC-27 agenda item 1.1     WP 3M   AI1.1   2024-06-12
[ 96 ]  
 
Reply liaison statement to Working Party 4C (copy to Working Parties 4A, 4B, 5A, 5B, 5C, 5D, 6A,7B, 7C and 7D for information) - Studies under WRC-27 agenda items 1.11, 1.12, 1.13 and 1.14     WPs 3L and 3M   AI1.14, AI1.13, AI1.12, AI1.11   2024-06-12
[ 95 ]  
 
Reply liaison statement to Working Party 5B (copy to Working Parties 4A, 4C, 5A, 5C, 7C and 7D for information) - Propagation information to support studies in preparation for WRC-27 agenda item 1.8     WPs 3J, 3K and 3M   AI1.8   2024-06-12
[ 94 ]  
 
Reply liaison statement to Working Parties 7C and 7D (copy to Working Parties 4A, 4C, 5A, 5B and 5C for information) - Propagation aspects related to WRC-27 agenda item 1.18     WPs 3J and 3M   AI1.18   2024-06-12
[ 93 ]  
 
Reply liaison statement to Working Party 7B (copy to Working Parties 1B, 4A, 4C, 5A, 5B, 5C, 5D, 7A, 7C and 7D) - Relevant technical information to support studies under WRC-27 agenda item 1.15     WP 3J   AI1.15   2024-06-12
[ 92 ]  
 
Reply liaison statement to Working Party 5C (copy to Working Parties 1A, 4A, 4B, 4C, 5A, 5B, 6A, 7C and 7D for information) - Studies under WRC-27 agenda item 1.10     WPs 3J and 3M   AI1.10   2024-06-11
[ 91 ]  
 
Reply liaison statement to Working Party 5D (copy to Working Parties 1B, 4A, 4C, 5A, 5B, 5C, 7B, 7C and 7D for information) - Relevant technical information to support studies under WRC-27 agenda item 1.7     WPs 3K and 3M   AI1.7   2024-06-10
[ 90 ]  
 
Reply liaison statement to Working Party 7D (copy to Working Parties 1B, 4A, 4C, 5A, 5B and 5D for information) - WRC-27 agenda items 1.16     WPs 3J and 3M   AI1.16   2024-06-10
[ 89 ]  
 
Reply liaison statement to Working Party 7B (copy to Working Parties 1B, 3J, 4A, 4C, 5A, 5B, 5D, 7A, 7C and 7D for information) - Fixed service characteristics for use in sharing studies under WRC-27 agenda item 1.15     WP 5C   AI1.15   2024-05-29
[ 88 ]  
 
Reply liaison statement to Working Party 4C (copy to Working Parties 3L, 3M, 4A, 4B, 5A, 5B, 5D, 6A, 7B, 7C and 7D for information) - Fixed service characteristics for use in sharing studies under WRC-27 agenda item 1.13     WP 5C   AI1.13   2024-05-29
[ 87 ]  
 
Reply liaison statement to Working Party 5D (copy to Working Parties 1B, 3K, 3M, 4A, 4C, 5A, 5B, 7B, 7C and 7D for information) - Fixed service characteristics for use in sharing studies under WRC-27 agenda item 1.7     WP 5C   AI1.7   2024-05-29
[ 86 ]  
 
Reply liaison statement to Working Party 7C (copy to Working Parties 3J, 3M, 4A, 4C, 5A and 5B for information) - Relevant technical information to support studies under WRC-27 agenda item 1.18 and update on supporting materials     WP 5C   AI1.18   2024-05-29
[ 85 ]  
 
Liaison statement to Working parties 4A, 4C, 5A, 5B, 3J and 3M (copy to Working Parties 1A, 4B, 6A, 7C and 7D for information) - Studies under WRC-27 agenda item 1.10     WP 5C   AI1.10   2024-05-29
[ 84 ]  
 
Reply liaison statement to Working Party 5D (copy for information to Working Parties 1B, 3K, 3M, 4A, 4C, 5A, 5C, 7B, 7C, 7D and ICAO) - Relevant technical information for sharing studies under WRC-27 agenda item 1.7     WP 5B   AI1.7   2024-05-28
[ 83 ]  
 
Reply liaison statement to Working Party 4C (copy to Working Party 5D for information) - Relevant technical information for sharing studies under WRC-27 agenda item 1.13     WP 5B   AI1.13   2024-05-28
[ 82 ]  
 
Liaison statement to Working Parties 4A, 4C, 5A, 5C, and 7D (copy to Working Party 7C for information) - Relevant technical information to support studies in preparation of WRC-27 agenda item 1.8     WP 5B   AI1.8   2024-05-21
[ 81 ]  
 
Liaison statement to Working Parties 7C and 7D (copy to Working Parties 4C, 5A, 5B, 5C, 3J and 3M) - Relevant technical information to support studies under WRC-27 agenda item 1.18     WP 4A   AI1.18   2024-05-15
[ 80 ]  
 
Liaison statement to Working Party 4C (copy to Working Party 1B for information) - Relevant technical and operational information to support studies under WRC-27 agenda item 1.5     WP 4A   AI1.5   2024-05-14
[ 79 ]  
 
Liaison statement to Working Parties 3M, 4C, 5A, 5B, 5C, 5D, 7B and 7D (copy to Working Party 7C for information) - Information to support studies under WRC-27 agenda item 1.1     WP 4A   AI1.1   2024-05-13
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