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ITU-R R23-WP4A C

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Efficient Orbit/Spectrum Utilization for FSS and BSS

Results:624 total items.

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Contributions
	Number	Title	Source	AI/Question	Date
	[ 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
	[ 587 ]	Liaison statement to Working Party 4A - Methodologies to calculate coordination area around non-GSO earth station to facilitate compatibility in the frequency band 6 700-7 075 MHz with IMT base stations	WP 5D		2025-07-04
	[ 586 ]	Reply liaison statement to ITU-T Study Group 3 (Copy to ITU-R Study Groups 1 and 4, and to ITU-R Working Parties 4A, 4C and 1C for information) - Creation of new work item on economic and policy aspects of the provision of high-speed Internet connectivity by retail satellite operators	WP 1B		2025-06-23
	[ 585 ]	Reply liaison statement to Working Party 5B (copy for information to Working Parties 1B, 4A, 4C, 5A, 5C and 5D) - The On-Tune Rejection (OTR) in Recommendation ITU-R SM.337 and Recommendation ITU-R M.1461	WP 1A		2025-06-19
	[ 584 ]	Liaison statement to Working Party 4A (copy to Working Parties 5A, 5C, 7C and 7D for information) - Update on propagation modelling for WRC-27 agenda item 1.3	WP 3M	AI1.3	2025-06-10
	[ 583 ]	Liaison statement to Working Party 4A (copy to Working Parties 4B, 5A, 5B, 5C and 7C for information) - Update on propagation modelling for WRC-27 agenda item 1.4	WP 3M	AI1.4	2025-06-10
	[ 582 ]	Liaison statement to Working Party 5D (copy to Working Parties 4A, 4C, 5A, 5B, 5C, 7B, 7C and 7D for information) - Update on propagation modelling for WRC-27 agenda item 1.7	WPs 3K and 3M	AI1.7	2025-06-10
	[ 581 ]	Liaison statement to Working Party 7B (copy to Working Parties 4A, 4C, 5A, 5B, 5C, 5D, 7A, 7C and 7D for information) - Report on progress of activities relating to WRC-27 agenda item 1.15	WP 3J	AI1.15	2025-06-10
	[ 580 ]	Liaison statement to Working Party 5C (copy to Working Parties 4A, 4B, 4C, 5A, 5B, 6A, 7C and 7D for information) - Update on propagation modelling for WRC-27 agenda item 1.10	WP 3M	AI1.10	2025-06-10
	[ 579 ]	Liaison statement to Working Party 4C (copy to Working Parties 4A, 4B, 5A, 5B, 5C, 5D, 6A, 7B, 7C and 7D for information) - Update on propagation modelling for WRC-27 agenda items 1.11, 1.12, 1.13 and 1.14	WP 3M	AI1.14, AI1.13, AI1.12, AI1.11	2025-06-10
	[ 578 ]	Liaison statement to Working Party 4A (copy to Working Parties 5A, 5B, 5C, 5D, 7C and 7D for information) - Update on propagation modelling for WRC-27 agenda item 1.1	WPs 3K and 3M	AI1.1	2025-06-09
	[ 577 ]	Liaison statement to Working Parties 4A and 5B (copy to Working Parties 5A, 5C, 7A, 7B and 7C for information) - Update on propagation modelling for WRC-27 agenda item 1.2	WP 3M	AI1.2	2025-06-09
	[ 576 ]	Liaison statement to Working Party 5B (copy to Working Parties 4A, 4C, 5A, 5C, 7C and 7D for information) - Guidance on usage of Recommendations ITU-R P.2108 and ITU-R P.2109 to support studies under WRC-27 agenda item 1.8	WPs 3J, 3K and 3M	AI1.8	2025-06-09
	[ 575 ]	Liaison statement to Working Party 7D (copy to Working Parties 4A, 4C, 5A, 5B and 5D for information) - Update on propagation modelling for WRC-27 agenda item 1.16	WP 3M	AI1.16	2025-06-09
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