Contribuciones  |
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Número
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Título
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Origen
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AI/Cuestión
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Fecha
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[ 789 ]
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Proposed modifications to preliminary draft new Report ITU-R M.[RES.609] - Potential analytic tools and mitigation methods to ensure the aggregate equivalent power flux-density (epfd) limit on radionavigation-satellite service (RNSS) systems and networks operating in the 1 164-1 215 MHz band, from resolves 1 of Resolution 609 (Rev.WRC-07), is not exceeded
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China
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2026-09-21 |
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[ 788 ]
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Proposal to carry forward the working document towards a preliminary draft revision of Recommendation ITU-R M.1183 - Permissible levels of interference in a digital channel of a geostationary network in mobile-satellite service in 1-3 GHz caused by other networks of this service and fixed-satellite service
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China
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2026-09-21 |
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[ 787 ]
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Proposals of additional methods to the draft CPM text for WRC-27 agenda item 1.14
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China
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AI1.14
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2026-09-21 |
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[ 786 ]
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Proposed updates on working document on sharing and compatibility studies of possible new allocations to the MSS on WRC-27 agenda item 1.14
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China
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AI1.14
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2026-09-21 |
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[ 785 ]
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Proposed updates to sharing and compatibility studies between MSS and SAP/SAB operated in 2 010-2 025 MHz frequency band under WRC-27 agenda item 1.14
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China
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AI1.14
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2026-09-21 |
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[ 784 ]
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Proposed updates to sharing and compatibility studies between MSS and FS in 2 010-2 025 MHz frequency band under WRC-27 agenda item 1.14
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China
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AI1.14
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2026-09-21 |
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[ 783 ]
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Proposed updates to sharing and compatibility studies between MSS and IMT in 2 010-2 025 MHz frequency band under WRC-27 agenda item 1.14
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China
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AI1.14
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2026-09-21 |
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[ 782 ]
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Proposed updates to compatibility analysis of interference between MSS system and MS system under WRC-27 agenda item 1.14
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China
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AI1.14
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2026-09-21 |
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[ 781 ]
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Proposed updates to sharing and compatibility studies of possible new allocations to the MSS on WRC-27 agenda item 1.14
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China
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AI1.14
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2026-09-21 |
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[ 780 ]
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Proposed updates to sharing and compatibility studies between MSS and IMT in the 2 120-2 170 MHz frequency band under WRC-27 agenda item 1.14
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China
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AI1.14
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2026-09-21 |
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[ 779 ]
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Proposal on draft CPM text regarding WRC-27 agenda item 1.13
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China
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AI1.13
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2026-09-21 |
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[ 778 ]
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Adjacent band protection of MSS (s-E) and RDSS (s-E) below 2.5 GHz under WRC-27 agenda item 1.13
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China
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AI1.13
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2026-09-21 |
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[ 777 ]
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Sharing and compatibility studies between DC-MSS-IMT and RAS under WRC-27 agenda item 1.13
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China
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AI1.13
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2026-09-21 |
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[ 776 ]
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Sharing and compatibility study between DC-MSS-IMT operating in the frequency band 694/698-960 MHz and ARNS system operating in the frequency band 960-1 215 MHz
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China
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AI1.13
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2026-09-21 |
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[ 775 ]
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Proposed updates on working document on sharing and compatibility studies under WRC-27 agenda item 1.13
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China
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AI1.13
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2026-09-21 |
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[ 774 ]
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Proposed modifications to the working document towards draft CPM text for WRC-27 agenda item 1.12
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China
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AI1.12
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2026-09-21 |
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[ 773 ]
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Proposed modifications to the working document regarding WRC-27 agenda item 1.12 - Studies on low-data-rate non-GSO mobile-satellite systems in the mobile-satellite service
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China
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AI1.12
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2026-09-21 |
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[ 772 ]
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Update on sharing and compatibility studies between non-GSO LDR MSS and GSO existing services in the frequency band 1 645.5-1 646.5 MHz
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China
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AI1.12
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2026-09-21 |
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[ 771 ]
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Update on the sharing and compatibility studies between MSS and IMT under WRC-27 agenda item 1.12
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China
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AI1.12
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2026-09-21 |
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[ 770 ]
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Proposed modifications to working document towards draft CPM text for WRC-27 agenda item 1.11
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China
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AI1.11
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2026-09-21 |
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[ 769 ]
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Proposed modifications to working document regarding WRC-27 agenda item 1.11 - Space-to-space links in the frequency bands 1 518-1 544 MHz, 1 545-1 559 MHz, 1 610-1 645.5 MHz, 1 646.5-1 660 MHz, 1 670-1 675 MHz and 2 483.5-2 500 MHz allocated to the mobile-satellite service (MSS)
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China
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AI1.11
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2026-09-21 |
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[ 768 ]
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Proposed modifications to Annex 4 working document regarding WRC-27 agenda item 1.11
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China
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AI1.11
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2026-09-21 |
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[ 767 ]
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Working document towards draft CPM text for WRC-27 agenda item 1.13
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Iran (Islamic Republic of)
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AI1.13
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2026-09-16 |
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[ 766 ]
(Rev.1) |
Isolation distance for the protection of the broadcasting service in relation to WRC-27 agenda item 1.13
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Iran (Islamic Republic of)
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AI1.13
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2026-09-09 |
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[ 765 ]
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Case study for the impact of existing DTT on MSS-IMT use by neighbouring countries in 698-960 MHz band
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Iran (Islamic Republic of)
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AI1.13
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2026-09-09 |
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[ 764 ]
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Link budget and interference calculation methodology in relation to WRC-27 agenda item 1.13 - Copy to Working Party 5D
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Iran (Islamic Republic of)
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AI1.13
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2026-09-09 |
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[ 763 ]
(Rev.1) |
Working document towards a draft new Handbook on Satellite Communications and Technologies
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Ad hoc Group on Satellite Communications and Technologies Handbook
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2026-08-24 |
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[ 762 ]
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Working methods for WRC-27 agenda item 1.13 at October 2026 meeting of Working Party 4C (36th meeting)
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Chair, WP 4C
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AI1.13
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2026-08-20 |
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[ 761 ]
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Liaison statement to Working Party 4C (copy to Working Party 1B for information) - WRC-27 agenda item 1.5
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WP 4A
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AI1.5
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2026-07-16 |
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[ 760 ]
+Ann.1 |
Report of the thirty-fifth bis meeting of Working Party 4C (Virtual, 6-10 July 2026)
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Chair, WP 4C
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2026-07-10 |
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[ 759 ]
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Final list of participants - Working Party 4C (Virtual, 6-10 July 2026)
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Director, BR
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2026-07-10 |
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[ 758 ]
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List of documents issued (Document 4C/755)
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BR, Study Groups Department
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2026-07-10 |
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[ 757 ]
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Reply liaison statement on ITU-T Question 3/5 progress on matters related to EMF
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ITU-T SG5
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2026-07-08 |
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[ 756 ]
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Reply liaison statement on comments and feedback on the definition of the term "mobile telecommunication terminal" developed by ITU-T Study Group 5
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CCT
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2026-07-07 |
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[ 755 ]
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Editorial revision of Annex 9 to Document 4C/744 - Working document towards draft CPM text for WRC-27 agenda item 1.13
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Chair, WP 4C
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AI1.13
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2026-07-01 |
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[ 754 ]
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Liaison statement to Working Parties 4A, 4C, 5C, 5D, 7C and 7D - Update to the Earth-space and aeronautical statistical clutter loss model
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WPs 3K and 3M
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2026-07-01 |
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[ 753 ]
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Liaison statement to Working Parties 4C, 5D, 7C, and 7D - Beam wireless power transmission
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WP 1A
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2026-06-24 |
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[ 752 ]
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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
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WP 5B
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2026-06-17 |
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[ 751 ]
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Liaison statement to Working Parties 4A, 4C, 5A, and 5B (copy to Working Parties 3J, 3M, 4B, 6A, 7C and 7D for information) - Progress of work on WRC-27 agenda item 1.10
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WP 5C
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AI1.10
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2026-06-12 |
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[ 750 ]
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Reply liaison statement to the Coordination Committee For Terminology (CCT) (copy to ITU-T Study Group 5, ITU-R Working Parties 4C, 5B, 5D and 6A for information) - Comments on the term "mobile telecommunication terminal" and its definition developed by ITU-T Study Group 5
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WP 5A
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2026-06-12 |
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[ 749 ]
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Liaison statement to Working Parties 1B and 4C - WRC-27 agenda item 1.5
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WP 4A
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AI1.5
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2026-05-25 |
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[ 748 ]
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Reply liaison statement to Working Parties 4B, 4C and 5A (copy for information to Working Parties 5B and 6B) - Handbook on Satellite Communications and Technologies
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WP 4A
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2026-05-21 |
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[ 747 ]
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Investigation of interference scenarios between the envisaged single DC-MSS-IMT system and terrestrial IMT networks
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Iran (Islamic Republic of)
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AI1.13
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2026-05-17 |
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[ 746 ]
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Liaison statement to Working Party 7B (copy for information to Working Parties 4A, 4C and 5B) - Handbook on Satellite Communications and Technologies
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WP 4B
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2026-05-06 |
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[ 745 ]
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Liaison statement from ITU-D Study Group 2 Question 2/2 to ITU-R Working Parties 1C, 4A, 4C, 5A, 5B, 5C, 5D, 6A, 7B and 7C on the new work of ITU-D Question 2/2 (environment and EMF) - ITU-D Study Group 2 Question 2/2: ICTs for the environment, and assessment of human exposure to electromagnetic fields
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ITU-D SG2
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2026-05-06 |
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[ 744 ]
+Ann.1-28 |
Report of the thirty-fifth meeting of Working Party 4C (Geneva, 22 April - 1 May 2026)
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Chair, WP 4C
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2026-05-01 |
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[ 743 ]
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Final list of participants - Working Party 4C (Geneva, 22 April -1 May 2026)
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Director, BR
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2026-05-01 |
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[ 742 ]
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Liaison statement on request information about disaster resilience work items in Telecommunication/ICT area - ITU-D Study Group 2 Question 3/1: The use of telecommunications/ICTs for disaster risk reduction and management
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ITU-D SG1
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2026-04-24 |
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[ 741 ]
(Rev.1) |
Liaison statement from ITU-D Study Group 1 Question 2/1 to ITU-R Working Parties 1B, 4A, 4B, 4C, 5A, 5D, 6A, 6B and 6C - ITU-D Study Group 2 Question 2/1: Enabling policies and regulations for adopting digital telecommunication/ICT services and technologies for distribution and broadcasting
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ITU-D SG1
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2026-04-24 |
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[ 740 ]
(Rev.2) |
List of documents issued (Documents 4C/528 - 4C/742)
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BR, Study Groups Department
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2026-04-15 |
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