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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
[ 374 ]  
 
Liaison statement on WRC-27 agenda item 1.18 to Working Parties 4A, 4C, 5A and 5B     WP 7C   AI1.18   2025-04-08
[ 373 ]  
 
Reply liaison statement to Working Party 4A regarding WRC-27 agenda item 1.4     WP 7C   AI1.4   2025-04-07
[ 372 ]  
 
Preliminary position on WRC-27 agenda - Preliminary WMO position on the World Radiocommunication Conference 2027 (WRC-27) agenda     World Meteorological Organization     2025-04-07
[ 371 ]  
 
Reply liaison statement to Working Party 4A on WRC-27 agenda item 1.16 - Technical information to support studies under WRC-27 agenda item 1.16 relating to FSS characteristics in certain frequency bands     WP 7D   AI1.16   2025-04-07
[ 370 ]  
 
Reply liaison statement to Working Party 4A on WRC-27 agenda item 1.18 - Technical information to support studies under WRC-27 agenda item 1.18 relating to FSS characteristics in certain frequency bands     WP 7D   AI1.18   2025-04-03
[ 369 ]  
 
Liaison statement on progress on technical Report ITU-T TR.SQKDN - Standardization consideration of satellite-based QKDN     ITU-T SG13     2025-04-02
[ 368 ]  
 
Protection criteria for systems of the fixed service in the bands 47.2-50.2 GHz and 50.4-51.4 GHz for WRC-27 agenda item 1.1     Luxembourg   AI1.1   2025-04-02
[ 367 ]  
 
Elements for a working document on WRC-27 agenda item 1.6     Luxembourg   AI1.6   2025-04-02
[ 366 ]  
 
Liaison statement to ITU-R Working Parties 3J, 4A, 4C, 5A, 5B, 5C, 5D, 7A, 7C and 7D - Report on progress of activities relating to WRC-27 agenda item 1.15     WP 7B   AI1.15   2025-04-01
[ 365 ]  
 
ITU-R Handbook on satellite communications and technologies     International Mobile Satellite Organization (IMSO)     2025-03-20
[ 364 ]  
 
Information on ETSI standards applicable to earth stations in motion in Europe     European Telecommunications Standards Institute   AI1.1   2025-03-11
[ 363 ]  
 
Liaison statement on initiation of new work item on the draft ITU-T F.CV-FARSI - Functional architecture and requirements of connected vehicles supporting satellite internet services     ITU-T SG21     2025-02-26
[ 362 ]  
 
Reply liaison statement to ITU-R Working Party 7B (copy for information to Working Parties 4A, 4C, 5A, 5B, 5C, 5D, 7A, 7C and 7D) - Response to Working Party 7B answers to questions related to WRC-27 agenda item 1.15     WP 3J   AI1.15   2025-02-25
[ 361 ]  
 
Liaison statement on the use of ITU-T E.164 shared global country code +881 for Global Mobile Satellite System (GMSS) operators     ITU-T SG2     2025-02-21
[ 360 ]  
 
Liaison statement to Working Party 4A - Development of methodologies to calculate area around non-GSO earth station to facilitate compatibility in the frequency band 6 700-7 075 MHz with IMT base station     WP 5D     2025-02-20
[ 359 ]  
 
Additional information on the preparation of texts for the draft CPM Report to WRC-27     Director, BR     2025-01-30
[ 358 ]  
 
Proposed Topic to be considered under WRC-27 agenda item 7 to improve the accuracy of geographical coordinates in SpaceCap for Earth Station filings     Nigeria   AI7   2024-12-19
[ 357 ]  
 
Reply liaison statement to Working Party 4C (copy to Working Party 4A for information) - Relevant technical information to support studies under WRC-27 agenda item 1.10     WP 5C   AI1.10   2024-12-13
[ 356 ]  
 
Reply liaison statement to Working Party 4A - Fixed service characteristics for use in sharing studies under WRC-27 agenda item 1.1     WP 5C   AI1.1   2024-12-13
[ 355 ]  
 
Liaison statement to Working Party 4A - Relevant technical information to support studies under WRC-27 agenda item 1.2     WP 5A   AI1.2   2024-12-11
[ 354 ]  
 
Liaison statement to Working Party 4A - Information to support studies under WRC-27 agenda item 1.1     WP 5A   AI1.1   2024-12-11
[ 353 ]  
 
Liaison statement to Working Party 4A - Handbook on Satellite Communications and Technologies     WP 5A     2024-12-11
[ 352 ]  
 
Liaison statement to Working Party 4A - WRC-27 agenda item 1.4     WP 5A   AI1.4   2024-12-11
[ 351 ]  
 
Liaison statement to Working Party 4A - WRC-27 agenda item 1.3     WP 5A   AI1.3   2024-12-11
[ 350 ]  
 
Liaison statement to Working Party 7D (copy for information to Working Parties 4A and 4C) - WRC-27 agenda item 1.16     WP 5B   AI1.16   2024-11-29
[ 349 ]  
 
Liaison statement from ITU-D Study Group 1 Question 3/1 to ITU-T Study Groups, ITU-R Working Parties, APT ASTAP and ETSI - ITU-D Study Group 1 Question 3/1 - The use of telecommunications/ICTs for disaster risk reduction and management     ITU-D SG1 - Q3/1     2024-11-27
[ 348 ]  
 
Information on characteristics of FSS and MSS networks or systems as currently contained in BR IFIC required for studies under WRC-27 agenda item 1.10     Director, BR   AI1.10   2024-11-26
[ 347 ]  
 
Liaison statement to Working Party 4A (copy to Working Parties 3M, 4B, 4C, 5A, 5B, 5C, 5D, 7B, 7C and 7D) - WRC-27 agenda item 1.6     WP 6A   AI1.6   2024-11-18
[ 346 ]  
 
Liaison statement to Working Party 5C (copy to Working Parties 3J, 3M, 4A, 4B, 4C, 5A, 5B, 7C and 7D) - WRC-27 agenda item 1.10     WP 6A   AI1.10   2024-11-18
[ 345 ]  
 
Liaison statement to Working Parties 4A and 4C (copy to Working Party 1C) - Review of the part of the ITU Handbook on Spectrum Monitoring describing Global Navigation Satellite Systems Society of Motion Picture and Television Engineers     WP 1C RG on revision of ITU Handbook on Spectrum Monitoring     2024-11-15
[ 344 ]  
 
Reply liaison statement to Working Party 5C (copy to Working Parties 4A, 4B, 5A, 5B, 7C and 7D for information) - Studies under WRC-27 agenda item 1.10     WP 4C   AI1.10   2024-11-12
[ 343 ]  
+Ann.1-47 
Report on the fifty-fifth meeting of Working Party 4A (Geneva, 21-31 October 2024)     Chair, WP 4A     2024-11-01
[ 342 ]  
 
Final list of participants - Working Party 4A (Geneva, 21-31 October 2024)     Director, BR     2024-11-01
[ 341 ]  
 
Liaison statement to Working Parties 4A and 4C - Draft Table of Contents (ToC) of a revised Satellite Communications Handbook     WP 4B     2024-10-23
[ 340 ]  
 
Reply liaison statement to Working Party 5B (copy for information to Working Parties 4A, 5A, 5C, 7C and 7D) - Relevant technical information to support studies in preparation of WRC-27 agenda item 1.8     WP 4C   AI1.8   2024-10-22
[ 339 ]  
 
Reply liaison statement to Working Party 7B (copy to Working Parties 3L, 3M, 4A, 4B, 5A, 5B, 5C, 5D, 7C and 7D) - WRC-27 agenda item 1.11     WP 4C   AI1.11   2024-10-22
[ 338 ]  
 
Reply liaison statement to Working Parties 3L, 3M, 4A, 4B, 5A, 5B, 5C, 6A, 7B, 7C and 7D (copy to Working Party 5D) - WRC-27 agenda item 1.13     WP 4C   AI1.13   2024-10-22
[ 337 ]  
(Rev.1) 
List of documents issued (Documents 4A/128 - 4A/337)     BR, Study Groups Department     2024-10-21
[ 336 ]  
 
Reply liaison statement to Working Party 4A - Information to support studies under WRC-27 agenda item 1.1     WP 4C   AI1.1   2024-10-17
[ 335 ]  
 
Liaison statement to Working Party 4A (copy to Study Group 4) - Satellite Communication Handbook     WP 4C     2024-10-16
[ 334 ]  
 
Reply liaison statement to Working Party 4A - WRC-27 agenda item 1.1     WP 5D   AI1.1   2024-10-14
[ 333 ]  
 
Proposal to finalize the work on the "working document towards a preliminary draft new Report ITU-R S.[MITIGATION MEASURES]"     Mexico     2024-10-09
[ 332 ]  
 
View on the proposed topic to be considered under agenda item 7 of WRC-27 regarding BIU, BBIU and provision No. 11.44B     Mexico   AI7   2024-10-09
[ 331 ]  
 
Views on the proposed topic to be considered under agenda item 7 of WRC-27 regarding FSS of Region 2 into plan BSS of Regions 1 and 3     Mexico   AI7   2024-10-09
[ 330 ]  
 
Elements for working document on WRC-27 agenda item 1.5 - Limiting uplink transmissions from unauthorized non-GSO user terminals based on location information     Eutelsat S.A   AI1.5   2024-10-09
[ 329 ]  
 
Considerations with respect to Recommendation ITU-R S.1586-1 methodology and possible improvements     Eutelsat S.A.     2024-10-09
[ 328 ]  
 
Proposed reply liaison statement from Working Party 4A to Working Party 7D - Relevant technical information to support studies under WRC-27 agenda item 1.16 documenting FSS characteristics in some frequency bands     France   AI1.16   2024-10-09
[ 327 ]  
 
Initial elements for the draft CPM on WRC-27 agenda item 1.4     France   AI1.4   2024-10-09
[ 326 ]  
 
Proposed reply liaison statement to Working Party 5D documenting FSS characteristics in the frequency range 7 125-8 400 MHz for sharing and compatibility studies under WRC-27 agenda item 1.7     France   AI1.7   2024-10-09
[ 325 ]  
 
Proposed reply liaison statement to Working Party 5C     France   AI1.10   2024-10-09
Results:624 total items.
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