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139707 octets |
2025-12-19 |
[435] Chapter 5- Summary of documents addressed |
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52305 octets |
2025-12-19 |
[435] Chapter 4- Meeting Report of the Ad-hoc Plenary on protection criteria |
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135434 octets |
2025-12-19 |
[435] Chapter 4 - Annex 4.1- 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 |
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34156 octets |
2025-12-18 |
[435] Chapter 4 - Annex 4.2- 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 |
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66673 octets |
2025-12-18 |
[435] Chapter 3- Meeting Report of Working Group 5B-3 - Maritime |
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1007484 octets |
2026-01-05 |
[435] Chapter 3 - Annex 3.1- 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 |
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764051 octets |
2025-12-17 |
[435] Chapter 3 - Annex 3.2- Working document towards a preliminary draft new Report ITU-R M.[DIGITAL_VOICE] - Comparative analysis report of DMR and dPMR for VHF digitization |
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1251490 octets |
2025-12-18 |
[435] Chapter 3 - Annex 3.3- 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 |
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743292 octets |
2025-12-18 |
[435] Chapter 3 - Annex 3.4- Working document towards a preliminary draft revision of Recommendation ITU-R M.628-5 - Technical characteristics for search and rescue radar transponders |
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41484 octets |
2025-12-18 |
[435] Chapter 3 - Annex 3.5- Preliminary draft revision of Recommendation ITU-R M.1080 - Digital selective calling system enhancement for multiple equipment installations |
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613526 octets |
2025-12-18 |
[435] Chapter 3 - Annex 3.6- 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 |
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649971 octets |
2025-12-18 |
[435] Chapter 3 - Annex 3.7- 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 |
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46395 octets |
2025-12-18 |
[435] Chapter 3 - Annex 3.8- Working document toward preliminary draft new Recommendation ITU-R M.[DIGITAL-VOICE] - Digital voice communication in the VHF maritime mobile band |
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54902 octets |
2025-12-18 |
[435] Chapter 3 - Annex 3.9- 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 |
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197323 octets |
2025-12-18 |
[435] Chapter 3 - Annex 3.10- Working document towards a preliminary draft revision of Recommendation ITU-R M.2135-1 - Technical and operational characteristics of autonomous maritime radio devices operating in the frequency band 156-162.05 MHz |
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78645 octets |
2025-12-18 |
[435] Chapter 2- Meeting Report of Working Party 5B-2 - Aeronautical |
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48822 octets |
2026-01-05 |
[435] Chapter 2 - Annex 2.1- 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
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42471 octets |
2025-12-17 |
[435] Chapter 2 - Annex 2.2- 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 |
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42563 octets |
2025-12-17 |
[435] Chapter 2 - Annex 2.3- 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 |
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88533 octets |
2025-12-17 |
[435] Chapter 2 - Annex 2.4- 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 |
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802099 octets |
2025-12-17 |
[435] Chapter 2 - Annex 2.5- 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 |
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196265 octets |
2026-01-05 |
[435] Chapter 2 - Annex 2.6- 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 in the band 5 030-5 091 MHz and aeronautical mobile satellite (R) service in the band 5 000-5 150 MHz |
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55477 octets |
2026-01-05 |
[435] Chapter 2 - Annex 2.7- Working document towards a draft CPM Report to WRC-27 on agenda item 1.9 |
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Word
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808035 octets |
2026-01-05 |
[435] Chapter 2 - Annex 2.8- 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 |
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51069 octets |
2025-12-17 |
[435] Chapter 1- Meeting Report of Working Group 5B-1 - Radiodetermination |
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48682 octets |
2025-12-17 |
[435] Chapter 1 - Annex 1.1- Working document towards a 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 |
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4454396 octets |
2025-12-17 |
[435] Chapter 1 - Annex 1.2- Working document towards a preliminary draft revision of Recommendation ITU-R M.1849-3 - Technical and operational aspects of ground-based meteorological radars |
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515871 octets |
2025-12-17 |
[435] Chapter 1 - Annex 1.3- Working document towards a preliminary 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
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4378447 octets |
2026-01-05 |
[435] Chapter 1 - Annex 1.4- Working document towards a preliminary draft new Report ITU-R M.[RLS_AMS_ANTENNAS] - Antenna radiation patterns of radiodetermination radar and aeronautical mobile systems |
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2718374 octets |
2026-01-05 |
[435] Chapter 1 - Annex 1.5- 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 for [onboard] remotely piloted aircraft systems |
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118544 octets |
2026-01-05 |
[435] Chapter 1 - Annex 1.6- 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 |
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54512 octets |
2026-01-05 |
[435] Chapter 1 - Annex 1.7- 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 |
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6386099 octets |
2026-01-06 |
[435] Chapter 1 - Annex 1.8- [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 for sharing and compatibility studies in support of possible allocation/identification for the radiolocation service in the frequency range 231.5-700 GHz |
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Word
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45176 octets |
2026-01-05 |
[435] Chapter 1 - Annex 1.9- Draft CPM text on agenda item 1.8 |
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Word
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55477 octets |
2025-12-17 |
[435] Chapter 1 - Annex 1.10- 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
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109104 octets |
2025-12-17 |
[435] Chapter 1 - Annex 1.11- 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 |
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37032 octets |
2025-12-17 |
[435] Chapter 1 - Annex 1.12- Working document towards a preliminary draft revision of Recommendation ITU-R M.1461-2 - Procedures for determining the potential for interference between radars operating in the radiodetermination service and systems in other services |
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97082 octets |
2025-12-17 |
[435] Chapter 1 - Annex 1.13- Working document towards a preliminary draft new Report ITU-R M.[PULSED INTERFERENCES] - Studies on the radar protection criteria for the pulsed interferences |
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84374 octets |
2025-12-19 |
[435] - Report on the thirty-fifth meeting of Working Party 5B - (Geneva, 18 - 27 November 2025) |
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