Contributions  |
|
Number
|
Title
|
Source
|
AI/Question
|
Date
|
|
[ 637 ]
|
Proposals for WRC-27 agenda item 7 topic on transparency measures and improvements to the application of RR No. 4.4 to space services
|
Brazil
|
AI7
|
2025-10-07 |
|
[ 636 ]
|
Assessing the potential advantage to define coordination arc for some frequency bands above 3.4 GHz and services currently not subject to the application of the coordination arc concept, and to review the existing coordination arc thresholds
|
Brazil
|
AI7
|
2025-10-07 |
|
[ 635 ]
|
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
|
Brazil
|
AI7
|
2025-10-09 |
|
[ 634 ]
|
FSS deployment models for GSO and non-GSO systems to be used for WRC-27 agenda item 1.2 studies
|
Brazil
|
AI1.2
|
2025-10-07 |
|
[ 633 ]
|
On the consideration of new definitions relating to satellite orbits for the space radiocommunication
|
Kazakhstan
|
|
2025-10-08 |
|
[ 632 ]
|
Considerations of elements for working document on WRC-27 agenda item 1.5
|
Kazakhstan
|
AI1.5
|
2025-10-08 |
|
[ 631 ]
|
Proposed revisions to working document towards draft CPM text for WRC-27 agenda item 1.5 - WRC-27 agenda item 1.5 (Working Parties 4A, 1B, 4C)
|
Kazakhstan
|
AI1.5
|
2025-10-08 |
|
[ 630 ]
|
Issue proposed to be considered under other regulatory issues in preparation of WRC-27 - Difficulties and inconsistencies encountered in the application of RR No. 9.21 on RR Nos. 5.430A and 5.434A
|
Latvia
,
Lithuania
,
Montenegro
|
|
2025-10-06 |
|
[ 629 ]
|
Proposed topic to be considered 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
|
2025-10-06 |
|
[ 628 ]
|
Elements of working document towards draft CPM text for topic proposed under WRC-27 agenda item 7 - Improvements of coordination and notification procedures involving frequency assignments in space services in the context of application of RR No. 11.41
|
Bosnia and Herzegovina
,
Croatia
,
France
,
Montenegro
,
North Macedonia
,
Serbia
|
AI7
|
2025-10-06 |
|
[ 627 ]
|
Elements of working document towards draft CPM text for topic proposed under WRC-27 agenda item 7 - Transparency measures and improvements to the application of RR No. 4.4 to space/satellite services
|
Bosnia and Herzegovina
,
Croatia
,
France
,
Montenegro
,
North Macedonia
,
Serbia
|
AI7
|
2025-10-06 |
|
[ 626 ]
|
Coherent approach in consideration of RR Appendices 30, 30A and 30B fundamental and particular issues and long term protection of BSS and FSS planned frequency bands
|
Bosnia and Herzegovina
,
Croatia
,
France
,
Montenegro
,
North Macedonia
,
Serbia
|
AI7
|
2025-10-06 |
|
[ 625 ]
|
Proposal to upgrade to draft revision the preliminary draft revision of Recommendation ITU-R BO.1504-0
|
European Broadcasting Union
,
Broadcast Networks Europe
|
|
2025-10-06 |
|
[ 624 ]
|
Interference measurement campaign on epfd limits in Botswana
|
Space Exploration Technologies Corp. (SpaceX)
|
|
2025-10-02 |
|
[ 623 ]
|
Proposal for the development of an ITU-R Handbook on Satellite Communications and Technologies
|
AST & Science SpaceMobile
|
|
2025-10-03 |
|
[ 622 ]
|
Working document towards a preliminary draft new Recommendation ITU-R S.[PLANAR ARRAYS] - Reference FSS earth-station planar array radiation pattern for use in frequency bands between 10.7 GHz and 30 GHz
|
Australia
|
|
2025-10-03 |
|
[ 621 ]
|
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
|
Australia
|
AI7
|
2025-10-03 |
|
[ 620 ]
|
Recording of frequency assignments in space services under RR No. 11.41
|
Australia
|
AI7
|
2025-10-03 |
|
[ 619 ]
|
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
|
Australia
|
AI7
|
2025-10-03 |
|
[ 618 ]
|
Considerations on the potential establishment of a topic addressing RR No. 4.4 and related aspects under WRC-27 agenda item 7
|
Australia
|
AI7
|
2025-10-03 |
|
[ 617 ]
|
Proposed simplified approach to take into account sidelobe gain for antennas modelled in Recommendation ITU-R S.1428-1 for incorporation into Recommendation ITU-R S.1503
|
Australia
|
|
2025-10-03 |
|
[ 616 ]
|
Working document towards a preliminary draft revision of Recommendation ITU-R S.1428-1 - Reference FSS earth-station radiation patterns for use in interference assessment involving non-GSO satellites in frequency bands between 10.7 GHz and 30 GHz
|
Australia
|
|
2025-10-03 |
|
[ 615 ]
|
Liaison statement to ITU-R working parties 4A, 5A and 5D - Request for feedback on the term "mesh network" and its definition developed by ITU-R Working Party 5C and submitted to the CCT for validation
|
CCT
|
|
2025-10-03 |
|
[ 614 ]
|
Proposals towards the preliminary draft new Report ITU-R S.[INTERFERENCE-NGSO-NGSO/GSO] - [Possible] Examples of methodologies to assess interference levels during coordination when non-geostationary FSS satellite systems for frequency ranges between 10.7 and 52.4 GHz are involved
|
Russian Federation
|
|
2025-10-02 |
|
[ 613 ]
|
Proposals to the 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
|
Russian Federation
|
|
2025-10-02 |
|
[ 612 ]
|
Proposals to the working document of draft review of Recommendation ITU-R S.1529
|
Russian Federation
|
|
2025-10-02 |
|
[ 611 ]
|
Proposals for reply liaison statement to Working Party 7B - Technical and operational characteristics of FSS systems for sharing and compatibility studies on WRC-27 agenda item 1.15
|
Russian Federation
|
AI1.15
|
2025-10-02 |
|
[ 610 ]
|
Proposed topic to be considered under WRC-23 agenda item 7 - Enhancing the responsibility of the notifying administration of a satellite network or system in the context of global changes in the satellite industry
|
Russian Federation
|
AI7
|
2025-10-02 |
|
[ 609 ]
|
Proposed topic to be included under WRC-27 agenda item 7, including proposed draft CPM text
|
Russian Federation
|
AI7
|
2025-10-02 |
|
[ 608 ]
|
Sharing study between non-GSO FSS (Earth-to-space) and SRS (space-to-space) in the 13.77-13.78 GHz frequency band
|
Russian Federation
|
|
2025-10-02 |
|
[ 607 ]
|
Sharing study between non-GSO FSS (Earth-to-space) and RLS in the 13.75-14 GHZ frequency band
|
Russian Federation
|
AI1.2
|
2025-10-02 |
|
[ 606 ]
|
Sharing study of GSO FSS satellite networks with SRS systems operating in the 13.75-14 GHz frequency range under WRC-27 agenda item 1.2
|
Russian Federation
|
AI1.2
|
2025-10-02 |
|
[ 605 ]
|
Proposed changes to working document related to a preliminary draft new recommendation ITU-R S.[ESIM-NCMC] and footnotes to Article 5 of the Radio Regulations
|
Russian Federation
|
|
2025-10-02 |
|
[ 604 ]
|
Interference measurement campaign on epfd limits in Jordan
|
Jordan
,
Space Exploration Technologies Corp. (SpaceX)
|
|
2025-10-01 |
|
[ 603 ]
|
Proposal for the ITU-R Handbook on Best practices for the sustainable use of frequencies and associated non-GSO orbits by space radiocommunication services
|
International Organization of Space Communications - INTERSPUTNIK
|
|
2025-10-01 |
|
[ 602 ]
|
Liaison statement to Working Party 4A on WRC-27 agenda item 1.18
|
WP 7C
|
AI1.18
|
2025-09-29 |
|
[ 601 ]
|
Liaison statement to Working Parties 4A and 5C regarding progress of work on WRC-27 agenda item 1.18
|
WP 7C
|
AI1.18
|
2025-09-29 |
|
[ 600 ]
|
Liaison statement to Working Parties 4A, 5A, 5C, 5D and 7B - EESS (passive) studies in the 6 425-7 250 MHz range
|
WP 7C
|
|
2025-09-26 |
|
[ 599 ]
|
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
|
2025-09-26 |
|
[ 598 ]
|
Interference measurement campaign on epfd limits in Nigeria
|
Nigeria
,
Space X
|
|
2025-09-25 |
|
[ 597 ]
|
Liaison statement to ITU-R Working Parties 4A, 4C, 5B and 5C - Relevant technical information to support studies under WRC-27 agenda item 1.15
|
WP 7B
|
|
2025-09-26 |
|
[ 596 ]
|
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 (copy to Study Group 4 for information)
|
Director, BR
|
|
2025-09-18 |
|
[ 595 ]
|
Draft working document for the Handbook on Satellite Communications and Technologies
|
MEASAT Satellite Systems Sdn. Bhd.
|
|
2025-09-23 |
|
[ 594 ]
|
Reply liaison statement to Working Party 4A - WRC-27 agenda item 1.2 - Characteristics of space research service systems operating in the 13.75-14.0 GHz band
|
WP 7B
|
AI1.2
|
2025-09-19 |
|
[ 593 ]
|
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
|
2025-09-11 |
|
[ 592 ]
+Ch.1-16 |
Draft working document for the Handbook on Satellite Communications and Technologies
|
MEASAT Satellite Systems Sdn. Bhd.
|
|
2025-09-04 |
|
[ 591 ]
|
Handbook on Satellite Communications and Technologies
|
International Amateur Radio Union
|
|
2025-09-10 |
|
[ 590 ]
|
Liaison statement on revising the structure and establishing assignment criteria for the assignment of E.164 numbering resources under the category of GMSS (Global Mobile Satellite Systems)
|
ITU-T SG2
|
|
2025-09-10 |
|
[ 589 ]
|
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
|
Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science (IUCAF)
|
AI1.1
|
2025-08-06 |
|
[ 588 ]
|
Performance parameters for studies under WRC-27 agenda item 1.18, resolves 1) to Study Group 7, Working Parties 7C, 4A and 4C
|
Director, BR
|
AI1.18
|
2025-07-10 |
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