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ITU-R R23-WP4A

Efficient Orbit/Spectrum Utilization for FSS and BSS

Results:833 total items.
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Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 733 ]  
 
Questions related to the technical evolution of the FSS for sharing of the band 13.75-14 GHz under WRC-27 agenda item 1.2     Canada   AI1.2   2025-10-14
[ 732 ]  
 
Study related to WRC-23 agenda item 1.2 - Impact of small antennas on radiolocation service     Canada   AI1.2   2025-10-14
[ 731 ]  
 
Modeling FSS deployment for WRC-27 agenda item 1.2 coexistence studies     Canada   AI1.2   2025-10-14
[ 730 ]  
 
WRC-27 agenda item 7 candidate topic - Proposed revision to Resolution 170     Luxembourg , Germany , Netherlands (Kingdom of the) , Norway , Spain   AI7   2025-10-14
[ 729 ]  
 
WRC-27 agenda item 7 candidate topic - The use of the same satellite or different satellites to repeatedly bring into use and bring back into use the same frequency assignments of a satellite network or system for a short period of time     Luxembourg , Germany , Netherlands (Kingdom of the) , Norway , Spain   AI7   2025-10-14
[ 728 ]  
 
Elements of working document towards draft CPM text on WRC-27 agenda item 7 - Inclusion of the territory of a country in the service area of a notified geostationary (GSO) satellite networks in the planned and unplanned BSS frequency bands and in the planned FSS frequency bands subject to Appendices 30A and 30B...     Luxembourg , Germany , Greece , Netherlands (Kingdom of the) , Norway , Spain   AI7   2025-10-14
[ 727 ]  
 
Working document towards a preliminary draft new revision of Recommendation ITU-R S.1528     China     2025-10-14
[ 726 ]  
 
Proposed revisions to working document towards a preliminary draft Handbook on best practices for the sustainable use of frequencies and associated non-GSO orbits by space radiocommunication services     China     2025-10-14
[ 725 ]  
 
Revisions for elements for a working document towards draft CPM text for WRC-27 agenda item 1.4     China   AI1.4   2025-10-14
[ 724 ]  
 
Relevant technical information to support studies under WRC-27 agenda item 1.16 and 1.18 documenting FSS characteristics in the E-band     China   AI1.18, AI1.16   2025-10-14
[ 723 ]  
 
Proposed revisions to working document towards a preliminary draft new Recommendation ITU-R S.[NON-GSO-MODELLING] - Modelling and simulation of non-GSO FSS systems for use in sharing and compatibility studies     China     2025-10-14
[ 722 ]  
 
Proposals of elements of working document towards draft CPM text for WRC-27 agenda item 1.5     China   AI1.5   2025-10-14
[ 721 ]  
 
Proposal updates on the studies under WRC-27 agenda item 1.2     China   AI1.2   2025-10-14
[ 720 ]  
 
Preliminary sharing study on FSS ESIMS and non-GSO EESS (passive) in 50.2-50.4 GHz band (adjacent band) regarding WRC-27 agenda item 1.1     China   AI1.1   2025-10-14
[ 719 ]  
 
Proposed topic to be considered under WRC-23 agenda item 7 - To develop possible regulatory measures to implement Radio Regulations No. 4.4     China   AI7   2025-10-14
[ 718 ]  
 
Draft contribution to Working Party 4A on WRC-27 agenda item 1.6     China   AI1.6   2025-10-14
[ 717 ]  
 
Compatibility studies between non-GSO FSS gateways in the 51.4-52.4 GHz frequency band and EESS (passive) sensors in the 52.6-54.25 GHz Frequency band under WRC-27 agenda item 1.3     China   AI1.3   2025-10-14
[ 716 ]  
 
Updates/revisions to elements of a working document towards candidate topic under WRC-27 agenda item 7 - The use of the same satellite or different satellites to repeatedly bring into use and bring back into use the same frequency assignments of a satellite network or system for a short period of time     China   AI7   2025-10-14
[ 715 ]  
 
Consideration of introducing and reviewing coordination arc thresholds towards candidate topic under WRC-27 agenda item 7     China   AI7   2025-10-14
[ 714 ]  
 
Discussion on working document containing technical work relating to the GSO earth station gain patterns used by Recommendation ITU-R S.1503     Canada     2025-10-14
[ 713 ]  
 
Update to study on interference analysis from FSS into aeronautical RLS for inclusion in the working document on WRC-27 agenda item 1.2     Singapore , Papua New Guinea   AI1.2   2025-10-14
[ 712 ]  
 
Proposed modifications to the working document relating to WRC-27 agenda item 1.3     AST & Science SpaceMobile   AI1.3   2025-10-14
[ 711 ]  
 
Proposed unavailability metric and impact of diversity of non-GSO satellites     Viasat, Inc.     2025-10-15
[ 710 ]  
 
Technical issues with the use of the Bessel function for the proposed revision of Recommendation ITU-R S.1428     Viasat, Inc.     2025-10-15
[ 709 ]  
 
Recommendation ITU-R S.1503 uplink beamwidth footprint     Viasat, Inc.     2025-10-15
[ 708 ]  
 
Inadequacy of Resolution 770 methodology for WRC-27 agenda item 1.3     Viasat, Inc.   AI1.3   2025-10-15
[ 707 ]  
 
Comments on satellite selection proposals     Viasat, Inc.     2025-10-15
[ 706 ]  
 
Working document towards a preliminary draft revision of Recommendation ITU-R S.1503-4 - Accounting for all sidelobe contributions of non-GSO FSS satellites in Recommendation ITU-R S.1503     Viasat, Inc.     2025-10-15
[ 705 ]  
 
Additional measures for the application of RR No. 4.4 to satellite networks and systems     Switzerland   AI7   2025-10-14
[ 704 ]  
 
WRC-27 agenda item 7 candidate topic - Exclusion of the territory of a country from the service area of a geostationary satellite network (GSO) in the fixed-satellite service (FSS) or mobile-satellite service (MSS) in a frequency band not subject to a plan     Norway   AI7   2025-10-14
[ 703 ]  
 
Update to confidence and sensitivity analyses in epfd (down) examination in support of future revisions of Recommendation ITU-R S.1503     Germany     2025-10-14
[ 702 ]  
 
Proposed revision of Recommendation ITU-R S.1428 for reflector antennas     Germany     2025-10-14
[ 701 ]  
 
Information document on non-GSO FSS gateway earth stations in the frequency band 51.4-52.4 GHz in connection with WRC-27 agenda item 1.3     Germany   AI1.3   2025-10-14
[ 700 ]  
 
Proposals towards the working document towards a preliminary draft new ITU-R Report WRC-27 agenda item 1.1     France   AI1.1   2025-10-14
[ 699 ]  
 
Elements for a working document towards draft CPM text for WRC-27 agenda item 1.4     France   AI1.4   2025-10-14
[ 698 ]  
 
IOS spectrum requirement and related studies under Resolution ITU-R 74 (RA-23)     The Consortium for Execution of Rendezvous and Servicing Operations (CONFERS)     2025-10-14
[ 697 ]  
 
Draft rule of procedure on RR No. 13.6 (orbital tolerances for bands and services outside of RR Resolution 8)     United Arab Emirates     2025-10-14
[ 696 ]  
 
WRC-27 agenda item 1.6     African Telecommunications Union   AI1.6   2025-10-14
[ 695 ]  
 
Proposed topic under WRC-27 agenda item 7 - Proposed revision to Resolution 553 (Rev.WRC-23)     African Telecommunications Union   AI7   2025-10-14
[ 694 ]  
 
Studies for inclusion in the working document on WRC-27 agenda item 1.2 (update to Part 3 Annex 3 of Document 4A/567)     African Telecommunications Union   AI1.2   2025-10-14
[ 693 ]  
 
Update to working document towards draft CPM text on WRC-27 agenda item 1.2     African Telecommunications Union   AI1.2   2025-10-14
[ 692 ]  
 
Proposed topic under WRC-27 agenda item 7 - Exclusion of the territory of a country from the service area of a geostationary satellite network (GSO) in the fixed-satellite service (FSS) or mobile-satellite service (MSS) in a frequency band not subject to a plan     African Telecommunications Union   AI7   2025-10-14
[ 691 ]  
 
Proposed topic under WRC-27 agenda item 7 - Proposed revision to Resolution 170 (Rev.WRC-23)     African Telecommunications Union   AI7   2025-10-14
[ 690 ]  
 
Proposed topic under WRC-27 agenda item 7 - Additional measures for the enhancement of equitable access to additional uses in Appendices 30 and 30A in Regions 1 and 3     African Telecommunications Union   AI7   2025-10-14
[ 689 ]  
 
Proposals towards the working document towards a preliminary draft new revision of Recommendation ITU-R S.1528     France , European Space Agency (ESA)     2025-10-14
[ 688 ]  
 
RR No. 4.4 and non-GSO systems     International Amateur Radio Union   AI7   2025-10-14
[ 687 ]  
 
The use of the same satellite or different satellites to repeatedly bring into use and bring back into use the same frequency assignments of a satellite network or system for a short period of time     Egypt   AI7   2025-10-14
[ 686 ]  
 
Elements towards a working document on WRC-27 agenda item 1.5     Egypt   AI1.5   2025-10-14
[ 685 ]  
 
Proposal for the elements of the working document towards a preliminary draft [new Recommendation ITU-R S.[NGSO DEORBITING]]     Russian Federation     2025-10-14
[ 684 ]  
 
View on proposed candidate topic under WRC-27 agenda item 7 regarding measures to restrict the use of the same satellite to BIU frequency assignments of different GSO satellite networks (within 0.5 degrees of longitude of the physical satellite) without moving the satellite ("hop without move")     Saudi Arabia , United Arab Emirates     2025-10-14
Results:833 total items.
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Updated : 2025-11-24