Contributions  |
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Numéro
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Titre
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Source
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AI/Question
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Date
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[ 878 ]
|
Consideration of topics under WRC-27 agenda item 7
|
European Conference of Postal and Telecommunications Administrations
|
AI7
|
2026-04-14 |
|
[ 877 ]
|
Updates to the supporting material for draft CPM text on WRC-27 agenda item 1.1 - Use of frequency bands 47.2-50.2 GHz and 50.4-51.4 GHz (Earth-to-space) by aeronautical and maritime earth stations in motion in the fixed-satellite service
|
Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science (IUCAF)
|
AI1.1
|
2026-04-13 |
|
[ 876 ]
|
Updates to the working document towards draft CPM text on WRC-27 agenda item 1.1
|
Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science (IUCAF)
|
AI1.1
|
2026-04-13 |
|
[ 875 ]
|
Updates to the working document relating to WRC-27 agenda item 1.3 - Studies relating to the use of the frequency band 51.4-52.4 GHz to enable its use by gateway earth stations transmitting to non-geostationary-satellite orbit systems in the fixed-satellite service (Earth-to-space)
|
Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science (IUCAF)
|
AI1.3
|
2026-04-13 |
|
[ 874 ]
|
Updates to the working document towards draft CPM text for WRC-27 agenda item 1.3
|
Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science (IUCAF)
|
AI1.3
|
2026-04-13 |
|
[ 873 ]
|
Working document towards a preliminary draft new Recommendation ITU-R S.[NON-GSO-MODELLING] - Modelling and simulation of triangular array patterns in non-GSO FSS systems for sharing and compatibility studies
|
Japan
|
|
2026-04-10 |
|
[ 872 ]
|
Elements of information to address studies for WRC-27 agenda item 1.5 - Information on non-GSO FSS/MSS systems
|
Japan
|
AI1.5
|
2026-04-10 |
|
[ 871 ]
|
Working document related to a preliminary draft new Recommendation ITU-R S.[ESIM-NCMC] - The functionalities and implementation of a network control and monitoring centre for earth stations in motion
|
Japan
|
|
2026-04-10 |
|
[ 870 ]
|
Characteristics of GSO FSS networks to be considered in the technical studies on the epfd limits in Article 22 of Radio Regulations
|
Japan
|
|
2026-04-10 |
|
[ 869 ]
|
Proposed updates to elements for a working document towards a preliminary draft new Report ITU-R S.[IOS SPEC NEEDS]
|
Japan
|
|
2026-04-10 |
|
[ 868 ]
|
Proposed updates to the working document towards a preliminary draft ITU-R Handbook on best practices for the sustainable use of frequencies and associated non-GSO orbits by space radiocommunication services
|
Japan
|
|
2026-04-10 |
|
[ 867 ]
|
Proposed revision of working document towards a draft new Handbook on Satellite Communications and Technologies - Update to section 4.7.1
|
Japan
|
|
2026-04-10 |
|
[ 866 ]
|
Draft revision of Recommendation ITU-R BO.1443-3 - Reference BSS earth station antenna patterns for use in interference assessment involving non-GSO satellites in frequency bands covered by RR Appendix 30
|
Japan
|
Q280/4, AI1.4
|
2026-04-10 |
|
[ 865 ]
|
Draft revision of Recommendation ITU-R BO.1900 - Reference receive earth station antenna pattern for the broadcasting-satellite service in the band 21.4-22 GHz in Regions 1 and 3
|
Japan
|
Q280/4, AI1.4
|
2026-04-10 |
|
[ 864 ]
|
Revisions for working document towards draft CPM text for WRC-27 agenda item 1.4
|
Japan
|
AI1.4
|
2026-04-10 |
|
[ 863 ]
|
Revisions for working document on WRC-27 agenda item 1.4
|
Japan
|
AI1.4
|
2026-04-10 |
|
[ 862 ]
|
Elements of draft working document for the Handbook on Satellite Communications and Technologies
|
Japan
|
|
2026-04-10 |
|
[ 861 ]
|
Handbook on Satellite Communications and Technologies - Chapters 5 and 6
|
AST & Science SpaceMobile
|
|
2026-04-10 |
|
[ 860 ]
|
Proposal on topic under WRC-27 agenda item 7 - Unrealistic gain contours of submissions under RR Appendices 30, 30A and 30B
|
Bosnia and Herzegovina
,
Croatia
,
Lithuania
,
Montenegro
,
North Macedonia
,
Serbia
|
AI7
|
2026-04-09 |
|
[ 859 ]
|
Proposal on working document towards draft CPM text on WRC-27 agenda item 1.6
|
Bosnia and Herzegovina
,
Croatia
,
Montenegro
,
North Macedonia
,
Serbia
|
AI1.6
|
2026-04-09 |
|
[ 858 ]
|
Working document towards a preliminary draft new ITU-R Report WRC-27 agenda item 1.1 - Use of frequency bands 47.2-50.2 GHz and 50.4-51.4 GHz (Earth-to-space) by aeronautical and maritime earth stations in motion in the fixed-satellite service
|
Committee on Radio Astronomy Frequencies
|
AI1.1
|
2026-04-09 |
|
[ 857 ]
|
Flat panel electronically scanned array antennas
|
Global Satellite Operators' Association GSOA
|
|
2026-04-09 |
|
[ 856 ]
|
Maritime safety considerations relating to WRC-27 agenda item 1.5
|
International Mobile Satellite Organization (IMSO)
|
AI1.5
|
2026-04-08 |
|
[ 855 ]
|
Proposed modifications to working document towards preliminary draft revision of Recommendation ITU-R S.673-2 - Terms and definitions relating to space radiocommunications
|
Kazakhstan
|
|
2026-04-01 |
|
[ 854 ]
|
Reply from the Radiocommunication Bureau to request from Working Party 4A regarding WRC-27 agenda item 7 - Use of No. 11.49
|
Director, BR
|
AI7
|
2026-04-01 |
|
[ 853 ]
|
Reply from the Radiocommunication Bureau to request from Working Party 4A regarding WRC-27 agenda item 7 - Use of No. 4.4
|
Director, BR
|
AI7
|
2026-04-01 |
|
[ 852 ]
|
Proposal regarding Chapter 12 of the ITU-R Handbook on Satellite Communications and Technologies
|
International Organization of Space Communications - INTERSPUTNIK
|
|
2026-03-31 |
|
[ 851 ]
|
Liaison statement to working parties 4A, 4C, 5A, 5B, 5C, 5D, 6A, 7B and 7D regarding progress of work - WRC-27 agenda item 1.17
|
WP 7C
|
AI1.17
|
2026-03-26 |
|
[ 850 ]
|
Liaison statement to ITU-R Working Parties 3J, 4A, 4C, 5A, 5B, 5C, 5D, 7A, 7C and 7D - Progress of activities relating to WRC-27 agenda item 1.15
|
WP 7B
|
AI1.15
|
2026-03-26 |
|
[ 849 ]
|
Reply liaison statement to Working Party 4A on WRC-27 agenda item 1.18 - Technical information to support studies under WRC-27 agenda item 1.18 relating to FSS characteristics in certain frequency bands
|
WP 7D
|
AI1.18
|
2026-03-23 |
|
[ 848 ]
|
Liaison statement to Working Parties 4A, 4C, 5A, 5B and 5C regarding progress of work on WRC-27 agenda item 1.18
|
WP 7C
|
AI1.18
|
2026-03-19 |
|
[ 847 ]
|
Liaison statement to Working Parties 4A, 5A, 5B, 5C and 7B regarding progress of the work on WRC-27 agenda item 1.19
|
WP 7C
|
AI1.19
|
2026-03-19 |
|
[ 846 ]
|
Adoption of draft revision of Recommendation ITU-R S.1528 - Satellite antenna radiation patterns for non-geostationary orbit satellite antennas operating in the fixed-satellite service below 30 GHz
|
Director, BR
|
|
2026-03-13 |
|
[ 845 ]
|
Editorial revision of Annex 8 of Document 4A/830 - Working document towards draft CPM text for WRC-27 agenda item 1.4
|
Chair, WP 4A
|
AI1.4
|
2026-03-06 |
|
[ 844 ]
|
Submissions of Notices related to earth stations in motion
|
Director, BR
|
|
2026-03-02 |
|
[ 843 ]
|
Preliminary position on WRC-27 agenda
|
World Meteorological Organization
|
|
2026-02-18 |
|
[ 842 ]
|
Reply liaison statement to Working Party 4A - Coordination between fixed satellite service (FSS) non-GSO (space-to-Earth) earth stations operating in the frequency band 6 700-7 075 MHz and IMT base stations operating in the frequency band 6 425-7 125 MHz
|
WP 5D
|
|
2026-02-13 |
|
[ 841 ]
|
Draft working document for the Handbook on Satellite Communications and Technologies
|
MEASAT Satellite Systems Sdn. Bhd.
|
|
2026-02-12 |
|
[ 840 ]
|
Further information on the use of the Conference Proposal Interface (CPI) for the preparation of examples of regulatory texts for the draft CPM Report to WRC-27
|
Director, BR
|
|
2026-01-27 |
|
[ 839 ]
|
Reply liaison statement on validation of the term "global satellite services (GSS)"
|
CCT
|
|
2026-01-20 |
|
[ 838 ]
|
Reply liaison statement to ITU-R Working Parties 4A, 4B, 4C, 5A, 5C, 5D and 6A (copy to ITU-T Study Groups 5, 13 and 15) - Validation of the terms "mesh network" and "multiple-input and multiple-output (MIMO)"
|
CCT
|
|
2026-01-20 |
|
[ 837 ]
(Rev.1) |
Liaison statement to Working Party 4A related to the Handbook on Satellite Communications and Technologies
|
WP 5A
|
|
2025-12-18 |
|
[ 836 ]
|
Reply liaison statement to ITU-R Working Party 7B (copy for information to Working Parties 4A, 4C and 5B) - Relevant technical information to support studies under WRC-27 agenda item 1.15
|
WP 5C
|
|
2025-12-16 |
|
[ 835 ]
+Ch.1-17 |
Working document towards a draft new Handbook on Satellite Communications and Technologies
|
Editor, Satellite Communications and Technologies Handbook
|
|
2025-12-10 |
|
[ 834 ]
|
Reply liaison statement to CCT (copy to ITU-T Study Groups 5, 13 and 15 and ITU-R Working Parties 4A, 4B, 4C, 5C, 5D, and 6A for information) - Terminology "multiple-input and multiple-output (MIMO)" and "mesh networks"
|
WP 5A
|
|
2025-12-08 |
|
[ 833 ]
|
Additional contribution from the united nations office for outer space affairs (UNOOSA) to the ITU-R Handbook on best practices for the sustainable use of frequencies and associated non-GSO orbits by space radiocommunication services
|
Director, BR
|
|
2025-11-13 |
|
[ 832 ]
|
Reply liaison statement on work items dealing with cost and economic aspects of satellite internet connectivity
|
ITU-T SG3
|
|
2025-11-12 |
|
[ 831 ]
|
ICAO position for the ITU WRC-27
|
International Civil Aviation Organization
|
|
2025-10-15 |
|
[ 830 ]
+Ann.1-61 |
Report on the fifty-seventh meeting of Working Party 4A (Geneva, 27 October - 6 November 2025)
|
Chair, WP 4A
|
|
2025-11-07 |
|
[ 829 ]
|
Final list of participants - Working Party 4A (Geneva, 27 October - 6 November 2025)
|
Director, BR
|
|
2025-11-07 |
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