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ITU-R R23-WP5B

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

Results:349 total items.
Result page:  1 - 2 - 3 - 4 - 5 - 6 - 7  - Next Next
Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 349 ]  
 
Liaison statement to Working Party 5B on parameters for maritime and aeronautical mobile services in bands under WRC-27 agenda item 1.18 (Resolves 1)     WP 7C     2025-09-29
[ 348 ]  
 
Reply liaison statement to Working Party 5B - Preliminary draft new Report ITU-R M.[FOD_EESS_SHARE]     WP 7C     2025-09-29
[ 347 ]  
 
Liaison statement to ITU-R Working Parties 3J, 4A, 4C, 5A, 5B, 5C, 5D, 7A, 7C and 7D - Progress of activities relating to WRC-27 agenda item 1.15     WP 7B   AI1.15   2025-09-26
[ 346 ]  
 
Liaison statement to ITU-R Working Parties 4A, 4C, 5B and 5C - Relevant technical information to support studies under WRC-27 agenda item 1.15     WP 7B     2025-09-26
[ 345 ]  
 
Reply liaison statement to ITU-T Study Group 5 and CENELEC TC 219 on Developments with low frequency powerline communications (mains communication equipment) (copy to ITU-T Study Group 15, CENELEC TC 210 and ITU-R Working Parties 1A and 5B for information)     WP 6A     2025-09-16
[ 344 ]  
 
Liaison statement to Working Party 5B (copy to Working Parties 3L, 5C, and 7A) - Clarification of parameters for the protection of the HF Broadcasting service relative to WRC-27 agenda item 1.9     WP 6A   AI1.9   2025-09-16
[ 343 ]  
 
Note to the Chair of ITU-R Working Parties 5A, 5B, 5C and 5D copy to ITU-R Study Group 5 - Consideration of received liaison statement from TSAG on the activities and studies on sustainable digital transformation     Chair, SG 5     2025-09-12
[ 342 ]  
 
Liaison statement on comments on the term "aerial platform" and its definition developed by ITU-T Study Group 2     CCT     2025-08-27
[ 341 ]  
 
Liaison statement to ITU-R Working Party 4C (Copy to Working Party 5B for information)     International Maritime Organization (IMO)     2025-06-20
[ 340 ]  
 
Liaison statement to ITU-R Working Party 5B     International Maritime Organization (IMO)     2025-06-20
[ 339 ]  
 
Reply liaison statement to Working Party 5B (copy for information to Working Parties 1B, 4A, 4C, 5A, 5C and 5D) - The On-Tune Rejection (OTR) in Recommendation ITU-R SM.337 and Recommendation ITU-R M.1461     WP 1A     2025-06-19
[ 338 ]  
 
Liaison statement to Working Party 4A (copy to Working Parties 4B, 5A, 5B, 5C and 7C for information) - Update on propagation modelling for WRC-27 agenda item 1.4     WP 3M   AI1.4   2025-06-10
[ 337 ]  
 
Liaison statement to Working Party 5D (copy to Working Parties 4A, 4C, 5A, 5B, 5C, 7B, 7C and 7D for information) - Update on propagation modelling for WRC-27 agenda item 1.7     WPs 3K and 3M   AI1.7   2025-06-10
[ 336 ]  
 
Liaison statement to Working Party 7B (copy to Working Parties 4A, 4C, 5A, 5B, 5C, 5D, 7A, 7C and 7D for information) - Report on progress of activities relating to WRC-27 agenda item 1.15     WP 3J   AI1.15   2025-06-10
[ 335 ]  
 
Liaison statement to Working Party 5C (copy to Working Parties 4A, 4B, 4C, 5A, 5B, 6A, 7C and 7D for information) - Update on propagation modelling for WRC-27 agenda item 1.10     WP 3M   AI1.10   2025-06-10
[ 334 ]  
 
Liaison statement to Working Party 7C (copy to Working Party 5B for information) - Application of Recommendation ITU-R P.2146 in studies under WRC-27 agenda item 1.19     WP 3J   AI1.19   2025-06-10
[ 333 ]  
 
Liaison statement to Working Party 4C (copy to Working Parties 4A, 4B, 5A, 5B, 5C, 5D, 6A, 7B, 7C and 7D for information) - Update on propagation modelling for WRC-27 agenda items 1.11, 1.12, 1.13 and 1.14     WP 3M   AI1.14, AI1.13, AI1.12, AI1.11   2025-06-10
[ 332 ]  
 
Liaison statement to Working Party 4A (copy to Working Parties 5A, 5B, 5C, 5D, 7C and 7D for information) - Update on propagation modelling for WRC-27 agenda item 1.1     WPs 3K and 3M   AI1.1   2025-06-09
[ 331 ]  
 
Liaison statement to Working Parties 4A and 5B (copy to Working Parties 5A, 5C, 7A, 7B and 7C for information) - Update on propagation modelling for WRC-27 agenda item 1.2     WP 3M   AI1.2   2025-06-09
[ 330 ]  
 
Liaison statement to Working Party 5B (copy to Working Parties 4A, 4C, 5A, 5C, 7C and 7D for information) - Guidance on usage of Recommendations ITU-R P.2108 and ITU-R P.2109 to support studies under WRC-27 agenda item 1.8     WPs 3J, 3K and 3M   AI1.8   2025-06-09
[ 329 ]  
 
Liaison statement to Working Party 7D (copy to Working Parties 4A, 4C, 5A, 5B and 5D for information) - Update on propagation modelling for WRC-27 agenda item 1.16     WP 3M   AI1.16   2025-06-09
[ 328 ]  
 
Liaison statement to Working Party 7C (copy to Working Parties 4A, 4C, 5A, 5B, 5C, 5D, 6A, 7B and 7D for information) - Update on propagation modelling for WRC-27 agenda item 1.17     WP 3M   AI1.17   2025-06-09
[ 327 ]  
 
Liaison statement to Working Parties 7C and 7D (copy to Working Parties 4A, 4C, 5A, 5B and 5C for information) - Update on propagation modelling for WRC-27 agenda item 1.18     WP 3M   AI1.18   2025-06-09
[ 326 ]  
 
Liaison statement to Working Party 7C (copy to Working Parties 4A, 5A, 5B, 5C, 5D and 7B for information) - Update on propagation modelling for WRC-27 agenda item 1.19     WP 3M   AI1.19   2025-06-09
[ 325 ]  
 
Liaison statement to Working Party 5D - (copy to Working Party 5B for information) Development of a draft new Report ITU-R M.[IMT.ATG] - Systems for non-safety air-ground communications (excluding UAS) using terrestrial IMT and other land mobile technologies     WP 5A     2025-06-04
[ 324 ]  
 
Reply liaison statement to Working Party 7C on WRC-27 agenda item 1.19 (copy to Working Parties 5A and 5B for information) - Technical and operational characteristics of FSS systems for sharing and compatibility studies on WRC-27 agenda item 1.19     WP 4A   AI1.19   2025-06-02
[ 323 ]  
 
Additional information on the summary of conclusions of the 32nd meeting of the Radiocommunication Advisory Group for the attention of all ITU-R Study Groups and Working Parties     Director, BR     2025-05-23
[ 322 ]  
 
Reply liaison statement to Working Parties 5A, 5B, 5C and 7C - WRC-27 agenda item 1.4     WP 4A   AI1.4   2025-05-20
[ 321 ]  
 
Liaison statement from ITU-D Study Group 2 Question 2/2 to ITU-T Study Groups, ITU-R Working Parties and related organizations on final Report of Question 2/2 - ITU-D Study Group 2 Question 2/2: Enabling technologies for e-services and applications, including e-health and e-education     ITU-D SG2     2025-05-16
[ 320 ]  
 
Liaison statement from ITU-D Study Group 1 Question 3/1 to ITU-T Study Groups, ITU-R Working Parties, APT ASTAP and ETSI on use of telecommunications/ICTs for disaster risk reduction and management - ITU-D Study Group 1 Question 3/1: The use of telecommunications/ICTs for disaster risk reduction and management     ITU-D SG1     2025-05-16
[ 319 ]  
 
Liaison statement from ITU-D Study Group 2 Question 7/2 to ITU-T Study Group 5 and ITU-R Working Parties 1C, 4A, 5A 5B, 5C, 5D and 6A on the Question 7/2 2025 final Report - ITU-D Study Group 2 Question 7/2: Strategies and policies concerning human exposure to electromagnetic fields     ITU-D SG2     2025-05-16
[ 318 ]  
 
Liaison statement to Working Parties 3L, 3M, 4A, 4B, 5A, 5B, 5C, 5D, 7B, 7C, and 7D regarding progress of work on WRC-27 agenda item 1.11     WP 4C   AI1.11   2025-05-12
[ 317 ]  
 
Reply liaison statement on WRC-27 agenda item 1.18 to Working Party 7C (copy for information to Working Parties 4A, 5A and 5B)     WP 4C   AI1.18   2025-05-12
[ 316 ]  
 
Reply liaison statement to Working Party 7D - (copy to Working Parties 3J, 3M, 4A, 5A, 5B and 5D for information) - Technical information to support studies under WRC-27 agenda item 1.16     WP 4C   AI1.16   2025-05-12
[ 315 ]  
+Ch.2-5 
Report on the thirty-fourth meeting of Working Party 5B (Geneva, 29 April-8 May 2025)     Chair, WP 5B     2025-05-08
[ 314 ]  
 
List of participants - Working Party 5B (Geneva, 29 April-8 May 2025)     Director, BR     2025-05-08
[ 313 ]  
 
Liaison statement to Working Party 5B - Technical information for sharing studies under WRC-27 agenda items 1.12 and 1.13     WP 4C   AI1.13, AI1.12   2025-05-02
[ 312 ]  
 
Reply liaison statement to Working Party 5B - Protection of RNSS receivers operating in the frequency band 5 010-5 030 MHz from AM(R)S transmitters operating in the frequency band 5 030-5 091 MHz     WP 4C     2025-05-02
[ 311 ]  
 
List of documents issued (Documents 5B/216 - 5B/311)     BR, Study Groups Department     2025-04-25
[ 310 ]  
 
Consideration on characteristics of adjacent services to the 4 400-4 800 MHz band for compatibility studies under WRC-27 agenda item 1.7     GSM Association   AI1.7   2025-04-17
[ 309 ]  
 
Operational considerations and relevant technical characteristics for radio altimeters in the frequency band 4 200-4 400 MHz     GSM Association     2025-04-17
[ 308 ]  
 
Compatibility between EESS (passive) and radiolocation under WRC-27 agenda item 1.8     European Organisation for the Exploitation of Meteorological Satellite   AI1.8   2025-04-17
[ 307 ]  
 
Relevant technical information to support studies under WRC-27 agenda item 1.2.     South Africa , Nigeria   AI1.2   2025-04-17
[ 306 ]  
 
Considerations on Radio Altimeter (RA) and Wireless Avionics Intra-Communication (WAIC) co-existence studies     Sweden   AI1.7   2025-04-17
[ 305 ]  
 
Draft reply liaison statement to Working Party 4A - WRC-27 agenda item 1.2     France   AI1.2   2025-04-17
[ 304 ]  
 
Working document toward a preliminary draft revision of Recommendation ITU-R M.1644 - Technical and operational characteristics, and criteria for protecting the mission of radars in the radiolocation and radionavigation service operating in the frequency band 13.75-14 GHz     France     2025-04-17
[ 303 ]  
 
Proposed changes to working document towards a preliminary draft revision of Recommendation ITU-R M.1644-1 - Technical and operational characteristics, and criteria for protecting the mission of radars in the radiolocation and radionavigation service operating in the frequency band 13.75-14 GHz     Mexico   AI1.2   2025-04-16
[ 302 ]  
 
Proposed reply liaison statement (from Working Party 5B) to Working Party 4A on WRC-27 agenda item 1.2     Mexico   AI1.2   2025-04-16
[ 301 ]  
 
Working document towards a preliminary draft new Report ITU-R M.[RLS_231.5-700GHZ] - Studies on possible new additional allocations to the radiolocation service on a primary basis in the frequency range 231.5-275 GHz, and possible new identifications for radiolocation service applications in frequency bands within the frequency range 275-700 GHz     United States   AI1.8   2025-04-17
[ 300 ]  
 
Working document towards a preliminary draft new Recommendation ITU-R M.[ARNS-AMRS 960-1215 MHZ] - Characteristics and protection criteria for the aviation systems operating in the aeronautical radionavigation service and the aeronautical mobile (route) service in the frequency band 960-1 215 MHz     United States     2025-04-17
Results:349 total items.
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