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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:322 total items.
Result page:  1 - 2 - 3 - 4 - 5 - 6 - 7  - Next Next
Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 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.4Ann.04.02 
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
[ 299 ]  
 
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     2025-04-17
[ 298 ]  
 
Working document towards a preliminary draft new Report ITU-R M.[ITU-R M.2059 COMPARISON] - Comparison of ITU-R M.2059 with measured radio altimeter data     United States     2025-04-17
[ 297 ]  
 
Working document toward preliminary draft revision of Recommendation ITU-R M.2089 - Technical characteristics and protection criteria for aeronautical mobile service systems in the frequency range 14.5-15.35 GHz     United States     2025-04-17
[ 296 ]  
 
Working document towards a 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     2025-04-17
[ 295 ]  
 
Preliminary draft revision of Recommendation ITU-R M.1638-1 - Characteristics of and protection criteria for sharing studies for radiolocation (except ground based meteorological radars) and aeronautical radionavigation radars operating in the frequency bands between 5 250 and 5 850 MHz     United States     2025-04-17
[ 294 ]  
 
Working document towards a preliminary draft new Report ITU-R M.[MODERNIZATION OF HF AM(OR)S] - Technical characteristics, protection criteria, and compatibility and sharing studies for the modernization of the aeronautical mobile (OR) service allocated to that service between the frequency range 3.025 to 18.030 MHz     United States     2025-04-17
[ 293 ]  
 
Draft reply liaison statement to Working Party 4A - Relevant technical information to support studies under WRC-27 agenda item 1.2     United States   AI1.2   2025-04-17
[ 292 ]  
 
Proposed update to Recommendation ITU-R M.1796-3 - Characteristics of and protection criteria for radars operating in the radiodetermination service in the frequency band 8 500-10 680 MHz     United States     2025-04-17
[ 291 ]  
 
Characteristics of and protection criteria for radars operating in the radionavigation service in the frequency band 24.45-24.65 GHz     United States     2025-04-17
[ 290 ]  
 
Characteristics of and protection criteria for radars operating in the aeronautical radionavigation service in the frequency band 15.4-15.7 GHz     United States     2025-04-17
[ 289 ]  
 
Additional information on WAIC     United States   AI1.7   2025-04-17
[ 288 ]  
 
Draft liaison statement to Working Party 5D on WRC-27 agenda item 1.7     United States   AI1.7   2025-04-17
[ 287 ]  
 
Preliminary draft new Recommendation ITU-R M.[AM(R)S_AMS(R)S_CHAR_5GHZ] - Characteristics and protection criteria of terrestrial and satellite unmanned aircraft system control and non-payload communications links operating in the aeronautical mobile (route) service and aeronautical mobile satellite (R) service in the band 5 030-5 091 MHz     United States     2025-04-17
[ 286 ]  
 
Preliminary draft revision of Recommendation ITU-R M.2092-1 - Technical characteristics for a VHF data exchange system in the VHF maritime mobile band     United States     2025-04-17
[ 285 ]  
 
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     2025-04-17
[ 284 ]  
 
Working document toward a preliminary draft revision of Recommendation ITU-R M.1080-0 - Digital selective calling system enhancement for multiple equipment installations     United States     2025-04-17
[ 283 ]  
 
Working document towards a preliminary draft revision of Recommendation ITU-R M.585-9 -Assignment and use of identities in the maritime mobile service     United States     2025-04-17
[ 282 ]  
 
Working document towards a preliminary draft new Recommendation/Report ITU-R M.[MODERNIZATION OF HF AM(OR)S] - Frequency bands, technical characteristics, and protection criteria [and compatibility and sharing studies] for the modernization of high-frequency spectrum use in the aeronautical mobile (OR) service within the 2.8 to 18.05 MHz frequency range     Egypt , Saudi Arabia   AI1.9   2025-04-17
[ 281 ]  
 
Liaison statement to Working Party 5D - AMS and MMS systems characteristics in the frequency bands 4 400-4 800 MHz and 14.8-15.35 GHz under WRC-27 agenda item 1.7     France   AI1.7   2025-04-17
[ 280 ]  
 
Working document toward preliminary draft revision of recommendation ITU-R M.2089 - Technical characteristics and protection criteria for aeronautical mobile service systems in the frequency range 14.5-15.35 GHz     France     2025-04-17
[ 279 ]  
 
Working document towards a preliminary draft revision of 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     France     2025-04-17
[ 278 ]  
 
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     France     2025-04-17
[ 277 ]  
 
Working document towards a preliminary draft new Report ITU-R M.[THZ_SPEC] - Characteristics of terrestrial terahertz spectroscopy/radiodetermination systems of industry automation in shielded environments in the frequency range 71-275 GHz     France     2025-04-17
[ 276 ]  
 
Working document towards a preliminary draft new Report ITU-R M.[INTERMOD_REC_RAD]-0 - Description of intermodulation effects on heterodyne radar receiver types     France     2025-04-17
[ 275 ]  
 
Working document towards a preliminary draft new Recommendation ITU-R M.[24.45-24.65_GHZ_ARNS] - Characteristics of and protection criteria for radars operating in the radionavigation service in the frequency band 24.45-24.65 GHz     France     2025-04-17
[ 274 ]  
 
Working document towards a preliminary draft new Recommendation ITU-R M.[15.4-15.7_GHZ_ARNS] - Characteristics of and protection criteria for [radars / airborne detect and avoid and aircraft landing systems] operating in the aeronautical radionavigation service in the frequency band 15.4-15.7 GHz     France     2025-04-17
[ 273 ]  
 
Working document towards a handbook ITU-R M. [HDBK_STATUS.SPECTRUM.RPAS_DAA] - Handbook on status of availability of spectrum for detect-and-avoid radars [onboard remotely piloted aircraft]     France     2025-04-17
Results:322 total items.
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