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[ 168 ]
Annex XX to Working Party 5B Chair's Report - 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
WG 5B-2
2025-11-27
[ 167 ]
Annex XX to Working Party 5B Chair's Report - Working document towards a draft CPM Report
to WRC-27 on agenda item 1.9
WG 5B-2
AI1.9
2025-11-27
[ 166 ]
Meeting Report of Working Group 5B-3 on Maritime
Chair, WG 5B-3
2025-11-27
[ 165 ]
Meeting Report of Working Group 5B-2 Aeronautical
Chair, WG 5B-2
2025-11-27
[ 164 ]
Meeting Report of Working Group Radiodetermination
Chair, WG 5B-1
2025-11-27
[ 163 ]
Working document towards a preliminary draft revision of Report ITU-R M.2027 - Engineering guidance for operators to upgrade shore based facilities to operate the Global Maritime Distress and Safety System in the A1, A2 and A3/A4 sea areas
WG 5B-3
2025-11-27
[ 162 ]
Working document towards a preliminary draft revision
of Report ITU-R M.2231-1 - Use of Appendix 18 to the Radio Regulations for the maritime mobile service
WG 5B-3
2025-11-27
[ 161 ]
Working document toward a preliminary draft revision of Recommendation ITU-R M.1080 - Digital selective calling system enhancement for multiple equipment installations
WG 5B-3
2025-11-27
[ 160 ]
Working document towards a preliminary draft revision of Recommendation ITU-R M.628-5 - Technical characteristics for search and rescue radar transponders
WG 5B-3
2025-11-27
[ 159 ]
Working document towards a preliminary draft revision of Recommendation ITU-R M.541-11 - Operational procedures for the use of digital selective calling
equipment in the maritime mobile service
WG 5B-3
2025-11-27
[ 158 ]
Working document towards a preliminary draft
new Report ITU-R M.[DIGITAL_VOICE] - Comparative analysis report of DMR and dPMR for VHF digitization
WG 5B-3
2025-11-27
[ 157 ]
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
WG 5B-3
2025-11-27
[ 156 ]
Preliminary draft revision of Recommendation ITU-R M.585-9 - Assignment and use of identities in the maritime mobile service
WG 5B-3
2025-11-27
[ 155 ]
Preliminary draft revision of Recommendation ITU-R M.2058-1 - Characteristics of a digital system, referred to as navigational data for
broadcasting maritime safety and security related information
from shore-to-ship in the maritime HF frequency band
WG 5B-3
2025-11-27
[ 154 ]
Annex XX to Working Party 5B Chair's Report - Preliminary draft revision of Recommendation ITU-R M.2010-2 - Characteristics of a digital system, referred to as navigational data for
broadcasting maritime safety and security related information
from shore-to-ship in the 500 kHz band
WG 5B-3
2025-11-27
[ 153 ]
Draft liaison statement to the International Maritime Organization, the International Electrotechnical Commission, the International Organization for Marine Aids to Navigation and Comite International Radio-Maritime
WP 5B
2025-11-27
[ 152 ]
Annex XX to Working Party 5B Chair's Report - Working document toward 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
WG 5B-1
2025-11-26
[ 151 ]
Working document towards a preliminary draft new Recommendation ITU-R M.[RLS_FREQ_ABOVE_252 GHZ] - Technical and operational characteristics of the Radiolocation Service (RLS) systems, and related applications in the frequency ranges 252-275 and 275-700 GHz
WG 5B-1
2025-11-26
[ 150 ]
Draft CPM text on agenda item 1.8
WG 5B-1
AI1.8
2025-11-26
[ 149 ]
[Working document towards a] preliminary draft new Report ITU-R M.[RLS_231.5-700GHZ] / Supporting material for WRC-27 agenda item 1.8 - Frequency bands, and technical characteristics, and protection criteria for sharing and compatibility studies in support of possible allocation/identification for the radiolocation service in the frequency range 231.5-700 GHz
WG 5B-1
2025-11-26
[ 148 ]
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
WG 5B-1
2025-11-26
[ 147 ]
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
WG 5B-1
2025-11-26
[ 146 ]
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
WG 5B-1
2025-11-26
[ 145 ]
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
WG 5B-2
2025-11-26
[ 144 ]
Working document towards a [preliminary draft new Report ITU-R M.[ITU-R M.2059 COMPARISON]] / Working document with elements [in view of a possible new Report] on radio altimeter measurements compared to ITU-R documentation - Comparison of Recommendation ITU-R M.2059 with measured radio altimeter data
WG 5B-2
2025-11-26
[ 143 ]
Working document towards a preliminary draft revision of Recommendation ITU-R M.2085-01 - Technical conditions for the use of wireless avionics intra-communication systems operating in the aeronautical mobile (R) service in the frequency band 4 200-4 400 MHz
WG 5B-2
2025-11-26
[ 142 ]
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
WG 5B-2
2025-11-26
[ 141 ]
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
WG 5B-2
2025-11-26
[ 140 ]
Working document towards a preliminary draft new Recommendation ITU-R M.[ARNS-AM(R)S-AMS(R)S 960-1215 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
WG 5B-2
2025-11-26
[ 139 ]
Draft reply liaison statement to Working Party 7C - Parameters for aeronautical mobile services in the 70/80 GHz bands under agenda item 1.18 (resolves 1)
WG 5B-2
AI1.18
2025-11-26
[ 138 ]
Draft reply liaison statement to Working Party 4C - Protection of RNSS receivers operating in 5 010-5 030 MHz from AM(R)S transmitters operating in 5 030-5 091 MHz
WG 5B-2
2025-11-26
[ 137 ]
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
WP 5B
2025-11-26
[ 136 ]
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
WP 5B
2025-11-26
[ 135 ] (Rev.1)
Meeting Report of Ad-Hoc Plenary protection criteria
Chair, AdHoc Plenary on Protection criteria
2025-11-26
[ 134 ]
Draft liaison statement to Working Party 4C (copy to the International Maritime Organization for Information) - Characteristics for MSS (Earth-to-space) in the band 1 645.5-1 646.5 MHz
WG 5B-3
2025-11-24
[ 133 ]
Working document towards a preliminary draft new Report ITU-R M.[VDES R-MODE] - Impact of the possible introduction of a range mode on the VHF data exchange system
WG 5B-3
2025-11-24
[ 132 ]
[Preliminary] draft revision of Recommendation ITU-R M.2092-1 - Technical characteristics for a VHF data exchange system in the VHF maritime mobile band
WG 5B-3
2025-11-24
[ 131 ]
Annex XX to Working Party 5B Chair's Report - Working document towards a preliminary draft
new Report ITU-R M.[RLS_AMS_ANTENNAS]
WP 5B
2025-11-24
[ 130 ]
Reply liaison statement to Working Party 7C - Draft new Report ITU-R M.[FOD_EESS_SHARE]
SWG 5B1-a
2025-11-24
[ 129 ]
Annex XX to Working Party 5B Chair's Report - 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
WP 5B
2025-11-24
[ 128 ]
Preliminary draft new Report ITU-R M.[FOD_EESS_SHARE] - Sharing and compatibility studies between foreign object debris detection system and other services in the frequency ranges 92-100 GHz
WP 5B
2025-11-24
[ 127 ]
Annex XX to Working Party 5B Chair's Report - Working document towards preliminary draft revision of Recommendation ITU-R M.1849-3 - Technical and operational aspects of ground-based meteorological radars
WP 5B
2025-11-24
[ 126 ]
Annex XX to Working Party 5B Chair's Report - Working document towards preliminary draft revision of
Recommendation ITU-R M.1462-1- Characteristics of and protection criteria for radars operating in the radiolocation service in the frequency range 420-450 MHz
WP 5B
2025-11-24
[ 125 ]
Reply liaison statement to Working Party 7B - Sharing and compatibility studies between space research service (space-to-space) and radiolocation service under WRC-27 agenda item 1.15
WP 5B
AI1.15
2025-11-24
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