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[ 503 ]
Working document towards a preliminary draft revision of Recommendation ITU-R M.2116-0 - Technical and operational characteristics and protection criteria for systems operating in the aeronautical and maritime mobile services within the 4 400-4 990 MHz frequency range
United States
2026-05-06
[ 502 ]
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
United States
2026-05-06
[ 501 ]
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
2026-05-06
[ 500 ]
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 high-frequency systems operating in the aeronautical mobile (OR) service within 3.025 to 18.030 MHz
United States
2026-05-06
[ 499 ]
Proposed text for the CPM text on WRC-27 agenda item 1.9
United States
AI1.9
2026-05-06
[ 498 ]
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
United States
2026-05-06
[ 497 ]
Working document towards a preliminary draft new Recommendation ITU-R M.[15.4-15.7_GHZ_ARNS] - Characteristics of and protection criteria for [airborne] detect and avoid radars and aircraft landing systems operating in the aeronautical radionavigation service in the frequency band 15.4-15.7 GHz
United States
2026-05-06
[ 496 ]
Working document towards draft revised 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
2026-05-06
[ 495 ]
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
United States
2026-05-06
[ 494 ]
Working document towards a preliminary draft new Report ITU-R M.[RLS_231.5-700 GHZ]/Supporting material for WRC-27 agenda item 1.8 - Frequency bands and technical characteristics for sharing and compatibility studies in support of possible allocation/identification for the radiolocation service in the frequency range 231.5-700 GHz
United States
AI1.8
2026-05-06
[ 493 ]
Draft CPM text on WRC-27 agenda item 1.8
United States
AI1.8
2026-05-06
[ 492 ]
Working document towards 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
2026-05-06
[ 491 ]
Preliminary 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
2026-05-06
[ 490 ]
Working document towards a preliminary draft new Report ITU-R M.[RNSS_AM(R)S_5GHZ_SHARING] - Sharing and compatibility study between RNSS and AM(R)S systems operating in the 5 010 to 5 091 MHz Frequency Band
United States
2026-05-06
[ 489 ]
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
2026-05-06
[ 488 ]
Working document towards a preliminary draft new Report ITU-R M.[RLS_AMS_ANTENNAS] - Antenna radiation patterns of radiodetermination radar and aeronautical mobile systems
United States
2026-05-06
[ 487 ]
Working document toward preliminary draft new Recommendation ITU-R M.[DIGITAL-VOICE] - Digital voice communication in the VHF maritime mobile band
United States
2026-05-06
[ 486 ]
Preliminary draft revision of Recommendation ITU-R M.1080-0 - Digital selective calling system enhancement for multiple equipment installations
United States
2026-05-06
[ 485 ]
Working document towards a revision of Recommendation ITU-R M.489-2 - Technical characteristics of VHF radiotelephone equipment operating in the maritime mobile service in channels spaced by 25 kHz
United States
2026-05-06
[ 428 ]
Additional technical information for sharing studies under WRC-27 agenda item 1.7
United States
AI1.7
2025-11-06
[ 427 ]
Additional technical information for sharing studies under WRC-27 agenda item 1.7
United States
AI1.7
2025-11-06
[ 426 ]
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
2025-11-06
[ 425 ]
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
2025-11-06
[ 424 ]
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 high-frequency systems operating in the aeronautical mobile (OR) service within 3.025 to 18.030 MHz
United States
2025-11-06
[ 423 ]
Proposed text for the CPM text on WRC-27 agenda item 1.9
United States
AI1.9
2025-11-06
[ 422 ]
Working document towards a preliminary draft new Report ITU-R M.[RLS_231.5-700 GHZ] - 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
2025-11-06
[ 421 ]
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
United States
2025-11-06
[ 420 ]
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
United States
2025-11-06
[ 419 ]
Working document towards a preliminary draft new Recommendation ITU-R M.[15.4-15.7_GHZ_ARNS] - Characteristics of and protection criteria for [airborne] detect and avoid radars and aircraft landing systems operating in the aeronautical radionavigation service in the frequency band 15.4-15.7 GHz
United States
2025-11-06
[ 418 ]
Working document towards draft revised 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
2025-11-06
[ 417 ]
Working document towards a preliminary draft new Recommendation ITU-R M. ITU-R M.[ARNS-AMRS-AMS(R)S 960-1 215 MHZ] - Characteristics and protection criteria for the aviation systems operating in the aeronautical radionavigation service, the aeronautical mobile (route) service, and the aeronautical mobile satellite (route) service in the frequency band 960-1 215 MHz
United States
2025-11-06
[ 416 ]
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
2025-11-06
[ 415 ]
Working document towards a preliminary draft new Report ITU-R M.[RNSS_AM(R)S_5GHZ_SHARING] - Sharing and compatibility study between RNSS and AM(R)S systems operating in the 5 010 to 5 091 MHz Frequency Band
United States
2025-11-06
[ 414 ]
Preliminary draft new Recommendation ITU-R M.[AM(R)S_AMS(R)S_CHAR_5 GHZ] - 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
2025-11-06
[ 413 ]
Working document towards 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
2025-11-06
[ 412 ]
Working document towards a preliminary draft new Report ITU-R M.[RLS_AMS_ANTENNAS] - Antenna radiation patterns of radiodetermination radar and aeronautical mobile systems
United States
2025-11-06
[ 411 ]
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
2025-11-06
[ 410 ]
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
2025-11-06
[ 409 ]
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
2025-11-06
[ 408 ]
Preliminary draft revision of Recommendation ITU-R M.585-9 - Assignment and use of identities in the maritime mobile service
United States
2025-11-06
[ 407 ]
Working document toward preliminary draft new Recommendation ITU-R M.[DIGITAL-VOICE] - Digital voice communication in the VHF maritime mobile band
United States
2025-11-06
[ 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
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