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ITU-R R23-WP5B  C 

ITU-R R23-WP5B

Maritime mobile service including Global Maritime Distress and Safety System (GMDSS); aeronautical mobile service and radiodetermination service

Results:341 total items.
Result page:  Previous -  1 - 2 - 3 - 4 - 5 - 6 - 7
Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 41 ]  
+Ann.1-11 
Preliminary draft new Report ITU-R M.[NON-SAFETY AM(OR)S CHARACTERISTICS AND SHARING STUDIES] - Various aspects of non-safety aeronautical mobile service systems in the frequency bands 15.4-15.7 GHz and 22-22.21 GHz     France     2024-04-26
[ 40 ]  
 
Preliminary draft revision to Recommendation ITU-R M.2116-0 - Technical characteristics and protection criteria for the aeronautical mobile service systems operating within the 4 400-4 990 MHz frequency range     United States     2024-04-26
[ 39 ]  
 
Activities in Working Party 5B related to WRC-27 agenda item 1.9 preparations     United States   AI1.9   2024-04-26
[ 38 ]  
 
Draft liaison statement to ITU-R Working Parties 3L, 5C, 6A and 7A - Relevant technical information to support studies under WRC-27 agenda item 1.9     United States   AI1.9   2024-04-26
[ 37 ]  
 
Draft new Recommendation ITU-R M.[AMS CHARACTERISTICS_1 780-1 850 MHz] - Technical characteristics and protection criteria for systems operating in the aeronautical mobile service within the frequency range 1 780-1 850 MHz     United States     2024-04-26
[ 36 ]  
 
Working document towards a preliminary draft revision of Recommendation ITU-R M.2089-0 - Technical characteristics and protection criteria for aeronautical mobile service systems in the frequency range 14.5-15.35 GHz     United States     2024-04-26
[ 35 ]  
 
Preliminary draft revision of Recommendation ITU-R M.1371-5 - Technical characteristics for an automatic identification system using time division multiple access in the VHF maritime mobile frequency band     United States , China     2024-04-26
[ 34 ]  
 
Working document towards a preliminary draft new Recommendation ITU-R M.[AMRS-VDL] - Characteristics and protection criteria for the International Civil Aviation Organization standardized VHF datalink Mode 2 systems operating in the aeronautical mobile (route) service in the frequency band 136-137 MHz     United States     2024-04-26
[ 33 ]  
 
Proposed draft reply liaison statement to Working Party 7C - Relevant technical information for sharing studies under WRC-27 agenda item 1.19     United States   AI1.19   2024-04-26
[ 32 ]  
 
Proposed draft reply liaison statement to Working Party 7B - Relevant technical information for sharing studies under WRC-27 agenda item 1.15     United States   AI1.15   2024-04-26
[ 31 ]  
 
Proposed draft reply liaison statement to Working Party 4C - Relevant technical information for sharing studies under WRC-27 agenda item 1.13     United States   AI1.13   2024-04-26
[ 30 ]  
 
Proposed draft reply liaison statement to Working Party 5D - Relevant technical information for sharing studies under WRC-27 agenda item 1.7     United States   AI1.7   2024-04-26
[ 29 ]  
 
Preliminary draft new Question ITU-R [R-MODE]/5 - Coexistence of VHF data exchange system with a ranging-mode in the VHF data exchange system     France     2024-04-23
[ 28 ]  
 
Preliminary draft new Question ITU-R [DIGITAL VOICE]/5 - Introduction of Digital Voice Communications in the VHF maritime frequency channels     France     2024-04-23
[ 27 ]  
 
Liaison statement to Radiocommunication Study Groups and Working Parties (copy for information to ITU-T and ITU-D Study Groups)     Chair, CCV     2024-04-22
[ 26 ]  
 
Liaison statement to Working Parties 4A and 4C (copy to Working Parties 3J, 3M, 5A, 5B, and 5C for information) - WRC-27 agenda item 1.18     WP 7D   AI1.18   2024-03-28
[ 25 ]  
 
Liaison statement to Working Parties 4A, 4C and 5A (copy to Working Parties 1B, 3J, 3M, 5B and 5D for information) - WRC-27 agenda item 1.16     WP 7D   AI1.16   2024-03-28
[ 24 ]  
 
Liaison statement to Working Parties 3J and 3M (copy to Working Parties 1B, 4A, 4C, 5A, 5B, and 5D for information) on WRC-27 agenda items 1.16 and 1.18     WP 7D   AI1.18, AI1.16   2024-03-28
[ 23 ]  
 
Liaison statement for action to Working Parties 3J, 4A, 4C, 5A, 5B, 5C, 5D, 7A, 7C and 7D, and for information to Working Party 1B - Relevant technical information to support studies under WRC-27 agenda item 1.15     WP 7B   AI1.15   2024-03-27
[ 22 ]  
 
Liaison statement to Working Party 5D (copy to Working Parties 1B, 3K, 3M, 4A, 4C, 5A, 5B, 5C, 7C and 7D) - WRC-27 agenda item 1.7     WP 7B   AI1.7   2024-03-27
[ 21 ]  
 
Liaison statement out to key SDOs on the publication of GR THz 001 and GR THz 002     ETSI     2024-03-27
[ 20 ]  
 
Liaison statement to Working Party 5B (copy to Working Parties 3J, 3K, 3M, 4A, 4C, 5A, 5C and 7D for information) - Information on active and passive sensors in the EESS for WRC-27 agenda item 1.8     WP 7C   AI1.8   2024-03-26
[ 19 ]  
 
Liaison statement to Working Parties 3L, 3M, 4A, 4C, 5A, 5B, 5C, 5D, 6A, 7B and 7D - Relevant technical information to support studies under WRC-27 agenda item 1.17     WP 7C   AI1.17   2024-03-25
[ 18 ]  
 
Liaison statement to Working Parties 3M, 4A, 5A, 5B, 5C, 5D, 7A and 7B (copy to ICAO for information) - WRC-27 agenda item 1.19     WP 7C   AI1.19   2024-03-25
[ 17 ]  
 
Reply liaison statement to Working Party 5D (copy to Working Parties 1B, 3K, 3M, 4A, 4C, 5A, 5B, 5C, 7B and 7D for information) - WRC-27 agenda item 1.7     WP 7C   AI1.7   2024-03-25
[ 16 ]  
 
Liaison statement to Working Party 5C (copy to Working Parties 4A, 4C, 5A, 5B, 3J and 3M) - Relevant technical information to support studies under WRC-27 agenda item 1.18     WP 7C   AI1.18   2024-03-25
[ 15 ]  
 
Liaison statement to Working Parties 3J and 3M (copy to Working Parties 4A, 4C, 5A, 5B and 5C) - Propagation aspects related to WRC-27 agenda item 1.18     WP 7C   AI1.18   2024-03-25
[ 14 ]  
 
Liaison statement to Working Parties 4A, 4C, 5A and 5B (copy to Working Parties 5C, 3J and 3M) - Relevant technical information to support studies under WRC-27 agenda item 1.18     WP 7C   AI1.18   2024-03-25
[ 13 ]  
 
Liaison statement to Working Party 4A (copy to Working Parties 3M, 4C, 5A, 5B, 5C, 5D, 7B and 7D for information) - WRC-27 agenda item 1.1     WP 7C   AI1.1   2024-03-25
[ 12 ]  
 
Note to CPM Steering Committee (copy to Working Parties 3M, 4B, 5A, 5B, 5C and 7C) - WRC-27 agenda item 1.4     Acting Chair, WP 6B   AI1.4   2024-03-20
[ 11 ]  
 
Liaison statement to Working Party 4A (copy to Working Parties 1B, 3M, 4B, 4C, 5A, 5B, 5C, 5D, 7B, 7C and 7D for information) - WRC-27 agenda item 1.6     WP 6A   AI1.6   2024-03-18
[ 10 ]  
 
Liaison statement to Working Party 5C (copy to Working Parties 1A, 3J, 3M, 4A, 4B, 4C, 5A, 5B, 7C and 7D for information) - WRC-27 agenda item 1.10     WP 6A   AI1.10   2024-03-18
[ 9 ]  
 
Liaison statement to Working Party 5B (copy to Working Parties 3L, 5C and 7A) - Protection requirements for the HF broadcasting service relative to WRC-27 agenda item 1.9     WP 6A   AI1.9   2024-03-18
[ 8 ]  
 
Liaison statement to Working Party 4C (copy to Working Parties 3L, 3M, 4A, 4B, 5A, 5B, 5C, 5D, 7B, 7C and 7D) - WRC-27 agenda item 1.13     WP 6A   AI1.13   2024-03-18
[ 7 ]  
 
Liaison statement to CPM Management Team (copy to Working Parties 3L, 3M, 4A, 4B, 4C, 5A, 5B, 5C, 5D, 7B, 7C and 7D) - WRC-27 agenda item 1.11     WP 6A   AI1.11   2024-03-18
[ 6 ]  
 
Liaison statement to Working Party 7C (copy to Working Parties 3L, 3M, 4A, 4C, 5A, 5B, 5C, 5D, 7B and 7D) - WRC-27 agenda item 1.17     WP 6A   AI1.17   2024-03-18
[ 5 ]  
 
Preliminary position on WRC-27 agenda     WMO     2024-03-06
[ 4 ]  
 
Liaison statement to Working Parties 1B, 3K, 3M, 4A, 4C, 5A, 5B, 5C, 7B, 7C and 7D - Relevant technical information to support studies under WRC-27 agenda item 1.7     WP 5D   AI1.7   2024-02-13
[ 3 ]  
 
Text from WRC-23 Plenary for the attention of the ITU-R Working Parties that are either responsible for or contributing to studies relevant to items of the WRC-27 agenda or the WRC-31 preliminary agenda     Director, BR     2024-01-30
[ 2 ]  
 
Working Party 5A preparatory work for WRC-27 (copy for information to Working Parties 5B, 5C and 5D)     Chair, WP 5A     2024-01-11
[ 1 ]  
(Rev.1) 
Documents to be carried over from the 2019-2023 Study Period     WP 5B     2023-12-06
Results:341 total items.
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