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ITU-R R23-WP4A

Efficient Orbit/Spectrum Utilization for FSS and BSS

Results:624 total items.
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Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 174 ]  
 
Reply liaison statement to Working Party 4C (copy to Working Parties 4A, 4B, 5A, 5B, 5C, 5D, 7B and 7C for information) - WRC-27 agenda item 1.11     WP 7D   AI1.11   2024-09-27
[ 173 ]  
 
Proposed topic to be considered under WRC-27 agenda item 7 - Possible measures to limit the practice of introducing a completely different orbital plane for non-geostationary-satellite systems that is not foreseen to be required for operation of the constellation     Korea (Rep. of)   AI7   2024-09-26
[ 172 ]  
 
Proposed topic to be considered under WRC-27 agenda item 7 - Establishment of appropriate technical criteria for coordination procedure for specific earth station with respect to terrestrial services under RR No. 9.21     Korea (Rep. of)   AI7   2024-09-26
[ 171 ]  
 
Proposed topic to be considered under WRC-27 agenda item 7 - Possible measures to restrain 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 and clarification of the requirement of capability in No. 11.44B of the Radio Regulations     Korea (Rep. of)   AI7   2024-09-26
[ 170 ]  
 
Committee on the peaceful uses of outer space: 2024 - Sixty-seventh session (19-28 June 2024) - Space sustainability issues     Brazil     2024-09-26
[ 169 ]  
 
Additional transparency measures and views for a WRC-27 agenda item 7 topic on RR No. 4.4     Brazil   AI7   2024-09-26
[ 168 ]  
 
Proposed topic to be considered under WRC-27 agenda item 7 - Possible measures to restrain 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     Australia   AI7   2024-09-26
[ 167 ]  
 
Material for the reply liaison statement to Working Party 5D - Relevant technical information to support studies under WRC-27 agenda item 1.7     Australia   AI1.7   2024-09-26
[ 166 ]  
 
Proposed revisions to working document on WRC-27 agenda item 1.5 - Studies of the regulatory measures, and implementability thereof, to limit the unauthorized operations of the earth stations of the non-GSO in the FSS and MSS and associated issues related to the service area of non-GSO in the FSS and MSS satellite systems     Kazakhstan   AI1.5   2024-09-26
[ 165 ]  
 
Proposed working document towards draft CPM text for WRC-27 agenda item 1.5     Kazakhstan   AI1.5   2024-09-26
[ 164 ]  
 
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
[ 163 ]  
 
Liaison statement to Working Party 4A regarding WRC-27 agenda item 1.6     WP 7C   AI1.6   2024-09-23
[ 162 ]  
 
Reply liaison statement to Working Party 4A regarding WRC-27 agenda item 1.1 (copy to the CPM Chair)     WP 7B   AI1.1   2024-09-23
[ 161 ]  
 
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
[ 160 ]  
 
Reply liaison statement to Working Party 4A (copy to Working Parties 3M, 5A, 5B, 5C, 7B and 7C for information) - Information regarding the standard frequency and time signal-satellite service for WRC-27 agenda item 1.2 on smaller antenna sizes for FSS uplinks at 14 GHz     WP 7A   AI1.2   2024-09-20
[ 159 ]  
 
ITU-R Handbook on satellite communications     Editor of Satellite Communications Handbook     2024-09-05
[ 158 ]  
 
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
[ 157 ]  
 
Reply liaison statement to Working Party 4A - Progress on the work on elements on a working document towards a new Recommendation/Report ITU-R S.[MITIGATION MEASURES]     WP 5D     2024-07-16
[ 156 ]  
 
Information on the preparation of texts for the draft CPM Report to WRC-27     Chair, CPM-27     2024-07-09
[ 155 ]  
 
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
[ 154 ]  
 
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 3L and 3M   AI1.17   2024-06-12
[ 153 ]  
 
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
[ 152 ]  
 
Reply liaison statement to Working Party 4A (copy to Working Parties 5A, 5B, 5C, 7A, 7B and 7C for information) - Relevant technical information to support studies under WRC-27 agenda item 1.2     WP 3M   AI1.2   2024-06-12
[ 151 ]  
 
Reply liaison statement to Working Party 4A (copy to Working Parties 4B, 5A, 5B, 5C, 6B and 7C for information) - WRC-27 agenda item 1.4     WP 3M   AI1.4   2024-06-12
[ 150 ]  
 
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
[ 149 ]  
 
Reply liaison statement to Working Party 4A (copy to Working Parties 5A, 5C, 7C and 7D for information) - WRC-27 agenda item 1.3     WP 3M   AI1.3   2024-06-12
[ 148 ]  
 
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
[ 147 ]  
 
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
[ 146 ]  
 
Reply liaison statement to Working Party 7C (copy to Working Parties 4A, 5A, 5B, 5C, 5D and 7B for information) - WRC-27 agenda item 1.19     WPs 3J and 3M   AI1.19   2024-06-12
[ 145 ]  
 
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
[ 144 ]  
 
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
[ 143 ]  
 
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
[ 142 ]  
 
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
[ 141 ]  
 
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
[ 140 ]  
 
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
[ 139 ]  
 
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
[ 138 ]  
 
Reply liaison statement to Working Party 7C (copy to Working Parties 3M, 4A, 5A, 5B, 5D and 7B for information) - Fixed service characteristics for use in sharing studies under WRC-27 agenda item 1.19     WP 5C   AI1.19   2024-05-29
[ 137 ]  
 
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
[ 136 ]  
 
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
[ 135 ]  
 
Reply liaison statement to Working Party 4A (copy to Working Parties 3M, 4B, 5A, 5B, 6B, and 7C for information) - Fixed service characteristics for use in sharing studies under WRC-27 agenda item 1.4     WP 5C   AI1.4   2024-05-29
[ 134 ]  
 
Reply liaison statement to Working Party 4A (copy to Working Parties 3M, 5A, 7C and 7D for information) - Fixed service characteristics for use in sharing studies under WRC-27 agenda item 1.3     WP 5C   AI1.3   2024-05-29
[ 133 ]  
 
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
[ 132 ]  
 
Reply liaison statement to Working Party 4A - Relevant technical information for sharing studies under WRC-27 agenda item 1.4     WP 5B   AI1.4   2024-05-27
[ 131 ]  
 
Reply liaison statement to Working Party 4A (copy to Working Parties 3M, 5A, 5C, 7A, 7B and 7C) - Relevant technical information to support studies under WRC-27 agenda item 1.2     WP 5B   AI1.2   2024-05-21
[ 130 ]  
 
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
[ 129 ]  
 
Liaison statement on initiation of draft new technical Report ITU-T TR.SP-UAV - Signalling requirements and protocols between unmanned aerial vehicles and unmanned aerial vehicle controllers using IMT-2020 networks and beyond     ITU-T SG11     2024-05-20
[ 128 ]  
+Ann.1-37 
Report on the fifty-fourth meeting of Working Party 4A (Geneva, 1-9 May 2024)     Chair, WP 4A     2024-05-09
[ 127 ]  
 
Final list of participants - Working Party 4A (Geneva, 1-9 May 2024)     Director, BR     2024-05-09
[ 126 ]  
 
Liaison statement to Working Parties 3L, 4B, 5A, 5C, 5D, 7B, and 7C (copy to Working Party 4A for information, and action if any) - Relevant technical information to support studies under WRC-27 agenda item 1.14     WP 4C   AI1.14   2024-05-01
[ 125 ]  
 
Liaison statement to Working Parties 3L, 3M, 4A, 4B, 5A, 5B, 5C, 5D, 6A, 7B, 7C and 7D - Technical information to support the studies for WRC-27 agenda item 1.13     WP 4C   AI1.13   2024-05-01
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