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ITU-R R23-WP4A Meeting Documents

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Results: 52 total items.

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Number	Date	Source	Title			Questions
	Number		Posted	Size

[ 622 ]	2025-10-03	Australia	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			N/A
	[ 622 ] - English - Word		2025-10-06 [15:26]	54'557 bytes

[ 621 ]	2025-10-03	Australia	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			AI7
	[ 621 ] Part 1 - English - Excel 2007		2025-10-06 [16:39]	547'916 bytes
	[ 621 ] - English - Word		2025-10-06 [16:39]	606'277 bytes

[ 620 ]	2025-10-03	Australia	Recording of frequency assignments in space services under RR No. 11.41			AI7
	[ 620 ] - English - Word		2025-10-06 [15:17]	41'042 bytes

[ 619 ]	2025-10-03	Australia	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			AI7
	[ 619 ] - English - Word		2025-10-06 [15:10]	37'050 bytes

[ 618 ]	2025-10-03	Australia	Considerations on the potential establishment of a topic addressing RR No. 4.4 and related aspects under WRC-27 agenda item 7			AI7
	[ 618 ] - English - Word		2025-10-06 [15:01]	34'388 bytes

[ 617 ]	2025-10-03	Australia	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			N/A
	[ 617 ] - English - Word		2025-10-06 [14:58]	257'818 bytes

[ 616 ]	2025-10-03	Australia	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			N/A
	[ 616 ] - English - Word		2025-10-06 [15:53]	379'332 bytes

[ 615 ]	2025-10-03	CCT	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			N/A
	[ 615 ] - English - Word		2025-10-03 [16:05]	39'194 bytes

[ 614 ]	2025-10-02	Russian Federation	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			N/A
	[ 614 ] - English - Word		2025-10-03 [16:08]	55'461 bytes

[ 613 ]	2025-10-02	Russian Federation	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			N/A
	[ 613 ] - English - Word		2025-10-03 [15:43]	1'359'517 bytes

[ 612 ]	2025-10-02	Russian Federation	Proposals to the working document of draft review of Recommendation ITU-R S.1529			N/A
	[ 612 ] - English - Word		2025-10-03 [16:01]	716'892 bytes

[ 611 ]	2025-10-02	Russian Federation	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			AI1.15
	[ 611 ] - English - Word		2025-10-03 [15:29]	37'506 bytes

[ 610 ]	2025-10-02	Russian Federation	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			AI7
	[ 610 ] - English - Word		2025-10-03 [15:19]	36'851 bytes

[ 609 ]	2025-10-02	Russian Federation	Proposed topic to be included under WRC-27 agenda item 7, including proposed draft CPM text			AI7
	[ 609 ] - English - Word		2025-10-03 [15:14]	156'174 bytes

[ 608 ]	2025-10-02	Russian Federation	Sharing study between non-GSO FSS (Earth-to-space) and SRS (space-to-space) in the 13.77-13.78 GHz frequency band			N/A
	[ 608 ] - English - Word		2025-10-03 [14:55]	1'473'598 bytes

[ 607 ]	2025-10-02	Russian Federation	Sharing study between non-GSO FSS (Earth-to-space) and RLS in the 13.75-14 GHZ frequency band			AI1.2
	[ 607 ] - English - Word		2025-10-03 [14:32]	3'580'055 bytes

[ 606 ]	2025-10-02	Russian Federation	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			AI1.2
	[ 606 ] - English - Word		2025-10-03 [15:14]	6'617'529 bytes

[ 605 ]	2025-10-02	Russian Federation	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			N/A
	[ 605 ] - English - Word		2025-10-03 [14:14]	46'141 bytes

[ 604 ]	2025-10-01	Jordan , Space Exploration Technologies Corp. (SpaceX)	Interference measurement campaign on epfd limits in Jordan			N/A
	[ 604 ] - English - Word		2025-10-03 [09:42]	2'563'197 bytes

[ 603 ]	2025-10-01	International Organization of Space Communications - INTERSPUTNIK	Proposal for the ITU-R Handbook on Best practices for the sustainable use of frequencies and associated non-GSO orbits by space radiocommunication services			N/A
	[ 603 ] - English - Word		2025-10-01 [16:26]	43'485 bytes

[ 602 ]	2025-09-29	WP 7C	Liaison statement to Working Party 4A on WRC-27 agenda item 1.18			AI1.18
	[ 602 ] - English - Word		2025-09-29 [11:01]	36'571 bytes

[ 601 ]	2025-09-29	WP 7C	Liaison statement to Working Parties 4A and 5C regarding progress of work on WRC-27 agenda item 1.18			AI1.18
	[ 601 ] - English - Word		2025-09-29 [10:59]	39'807 bytes

[ 600 ]	2025-09-26	WP 7C	Liaison statement to Working Parties 4A, 5A, 5C, 5D and 7B - EESS (passive) studies in the 6 425-7 250 MHz range			N/A
	[ 600 ] - English - Word		2025-09-29 [10:55]	45'306 bytes

[ 599 ]	2025-09-26	WP 7B	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			AI1.15
	[ 599 ] - English - Word		2025-09-29 [11:06]	40'025 bytes

[ 598 ]	2025-09-25	Nigeria , Space X	Interference measurement campaign on epfd limits in Nigeria			N/A
	[ 598 ] - English - Word		2025-09-29 [16:51]	1'880'954 bytes

[ 597 ]	2025-09-26	WP 7B	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			N/A
	[ 597 ] - English - Word		2025-09-26 [11:02]	34'996 bytes

[ 596 ]	2025-09-18	Director, BR	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)			N/A
	[ 596 ] Part 1 - English - PDF (acrobat)		2025-10-06 [11:45]	229'733 bytes
	[ 596 ] - English - Word		2025-10-06 [11:44]	254'970 bytes

[ 595 ]	2025-09-23	MEASAT Satellite Systems Sdn. Bhd.	Draft working document for the Handbook on Satellite Communications and Technologies			N/A
	[ 595 ] - English - Word		2025-09-23 [14:25]	7'170'031 bytes

[ 594 ]	2025-09-19	WP 7B	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			AI1.2
	[ 594 ] - English - Word		2025-09-19 [13:51]	42'739 bytes

[ 593 ]	2025-09-11	Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science (IUCAF)	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)			AI1.3
	[ 593 ] - English - Word		2025-09-12 [10:53]	634'400 bytes

[ 592 ]	2025-09-04	MEASAT Satellite Systems Sdn. Bhd.	Draft working document for the Handbook on Satellite Communications and Technologies			N/A
	[ 592 ] Chapter 16 - English - Word		2025-09-11 [15:12]	57'017 bytes	List of abbreviations (Annex A) and List of references (Annex B)
	[ 592 ] Chapter 15 - English - Word		2025-09-11 [15:12]	62'411 bytes	International Cooperation in Satellite Communications
	[ 592 ] Chapter 14 - English - Word		2025-09-11 [15:11]	106'675 bytes	Space Debris Mitigation
	[ 592 ] Chapter 13 - English - Word		2025-09-11 [15:09]	266'143 bytes	The Space Environment
	[ 592 ] Chapter 12 - English - Word		2025-09-11 [15:08]	53'325 bytes	Communication Satellite Reliability
	[ 592 ] Chapter 11 - English - Word		2025-09-11 [15:08]	766'848 bytes	Communication Satellite Link Performance
	[ 592 ] Chapter 10 - English - Word		2025-09-11 [15:07]	51'865 bytes	Launch Vehicles
	[ 592 ] Chapter 9 - English - Word		2025-09-11 [15:07]	7'630'161 bytes	Ground Subsystems - Design and technology
	[ 592 ] Chapter 8 - English - Word		2025-09-11 [15:06]	10'574'380 bytes	Space Segment Subsystems - Design and technology
	[ 592 ] Chapter 7 - English - Word		2025-09-11 [15:06]	9'028'073 bytes	Regulatory considerations
	[ 592 ] Chapter 6 - English - Word		2025-09-11 [15:05]	1'061'467 bytes	Radiodetermination-satellite service (RDSS)
	[ 592 ] Chapter 5 - English - Word		2025-09-11 [15:05]	59'340 bytes	Mobile-satellite service (MSS) Concept
	[ 592 ] Chapter 4 - English - Word		2025-09-11 [15:04]	219'287 bytes	Broadcasting-satellite service (BSS) Concept
	[ 592 ] Chapter 3 - English - Word		2025-09-11 [15:03]	631'370 bytes	Fixed-Satellite Service (FSS) Concept
	[ 592 ] Chapter 2 - English - Word		2025-09-11 [15:02]	3'592'175 bytes	International Telecommunication Union (ITU)
	[ 592 ] Chapter 1 - English - Word		2025-09-11 [15:01]	65'076 bytes	Introduction
	[ 592 ] - English - Word		2025-09-11 [15:00]	42'183 bytes	Draft working document for the Handbook on Satellite Communications and Technologies

[ 591 ]	2025-09-10	International Amateur Radio Union	Handbook on Satellite Communications and Technologies			N/A
	[ 591 ] - English - Word		2025-09-11 [11:22]	40'134 bytes
Results: 52 total items. Result Page: 1 - 2 - Next

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