UIT-R R23-WP4A Documents de réunions

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UIT-R R23-WP4A Documents de réunions

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Numéro	Date	Source	Titre			Questions
	Numéro		Mise à disposition	Taille

[ 830 ]	2025-11-07	Chair, WP 4A	Report on the fifty-seventh meeting of Working Party 4A (Geneva, 27 October - 6 November 2025)			N/A
	[ 830 ] Annex 15 - Part 7 - English - Word		2025-11-25 [16:20]	63'733 octets	Annex 7 - Concept of reserve capacity
	[ 830 ] Annex 15 - Part 6 - English - Word		2025-11-25 [16:19]	10'472'500 octets	Annex 6 - Measurement campaign of interference to GSO earth stations from non-GSO systems
	[ 830 ] Annex 15 - Part 5 - English - Word		2025-11-25 [16:19]	385'356 octets	Annex 5 - [Technical studies for the protection of GSO / Technical elements to derive epfd limits]
	[ 830 ] Annex 15 - Part 4 - English - Word		2025-11-25 [16:18]	92'695 octets	Annex 4 - Questions to be answered to complete technical studies on epfd limits in RR Article 22
	[ 830 ] Annex 15 - Part 3 - English - Word		2025-11-25 [16:18]	3'948'895 octets	Annex 3 - Overview of the epfd limits in RR Article 22
	[ 830 ] Annex 15 - Part 2 - English - Word		2025-11-25 [16:17]	18'704'390 octets	Annex 2 - Overview of studies
	[ 830 ] Annex 15 - Part 1 - English - Word		2025-11-25 [16:16]	1'990'999 octets	Annex 1 - Comparison between satellite parameters retained to conduct technical studies on the epfd limits in Article 22 in 1997-2000 and current state of the art
	[ 830 ] Annex 5 - Part 6 - English - Excel 2007		2025-11-25 [16:15]	39'043 octets	Aggregate RLS studies
	[ 830 ] Annex 5 - Part 5 - English - Word		2025-11-25 [16:15]	42'825 octets	Technical discussions
	[ 830 ] Annex 5 - Part 4 - English - Word		2025-11-25 [16:14]	21'587'091 octets	Annex 4 - Sharing and compatibility study of FSS systems with SRS operating in the 13.75-14 GHz frequency range
	[ 830 ] Annex 5 - Part 3 - English - Word		2025-11-25 [16:13]	3'052'248 octets	Annex 3 - Sharing and compatibility study of aggregated earth station interference from all FSS GSO networks and non-GSO systems with RLS operating in the 13.75-14 GHz frequency range
	[ 830 ] Annex 43 - English - Word		2025-11-25 [16:10]	64'984 octets	[Candidate] Topic under WRC-27 agenda item 7 - Proposed modifications to Appendix 4
	[ 830 ] Annex 41 - English - Word		2025-11-25 [16:07]	62'056 octets	Working document towards [candidate] topic under WRC-27 agenda item 7 assessing the potential advantage to define coordination arc for some frequency bands above 3 GHz
	[ 830 ] Annex 5 - Part 2 - English - Word		2025-11-25 [16:02]	43'836'490 octets	Annex 2 - Aggregated [GSO FSS] earth station interference for sharing and compatibility study [] with RLS operating in the 13.75-14 GHz frequency range
	[ 830 ] Annex 5 - Part 1 - English - Word		2025-11-25 [16:01]	12'835'515 octets	Annex 1 - Single FSS Earth station interferer with RLS operating in the 13.75-14 GHz frequency range
	[ 830 ] Annex 7 - Part 1 - English - Word		2025-11-25 [15:56]	23'375 octets
	[ 830 ] Annex 7 - English - Word		2025-11-25 [15:55]	12'691'862 octets	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)
	[ 830 ] Annex 42 - English - Word		2025-11-25 [15:50]	43'193 octets	Working document towards candidate topic under WRC-27 agenda item 7 assessing the review the existing coordination arc thresholds
	[ 830 ] Annex 40 - English - Word		2025-11-25 [15:43]	66'677 octets	Working document towards candidate topic under WRC-27 agenda item 7 - Recording of frequency assignments in space services under RR No. 11.41
	[ 830 ] Annex 38 - English - Word		2025-11-25 [15:38]	664'101 octets	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
	[ 830 ] Annex 39 - English - Word		2025-11-25 [15:35]	86'641 octets	Working document towards 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")
	[ 830 ] Annex 30 - English - Word		2025-11-25 [15:28]	4'469'439 octets	Preliminary draft new Recommendation ITU-R S.[RESOLUTION 770] - Functional description to be used in developing software tools for determining conformity of non-geostationary-satellite orbit fixed-satellite service systems or networks in Q/V band with criteria contained in No. 22.5L of the Radio Regulations
	[ 830 ] Annex 9 - English - Word		2025-11-25 [15:27]	2'704'844 octets	Working document on WRC-27 agenda item 1.4
	[ 830 ] Annex 27 - English - Word		2025-11-25 [15:26]	1'541'844 octets	Working document towards a preliminary draft new Recommendation ITU-R S.[NON-GSO-MODELLING] - Modelling and simulation of non-GSO FSS systems for use
	[ 830 ] Part 01 - English - Excel 2007		2025-11-25 [15:08]	547'912 octets
	[ 830 ] Annex 5 - English - Word		2025-11-25 [15:05]	4'084'197 octets	Working document on WRC-27 agenda item 1.2 - Operational and technical limitations for FSS earth stations in thefrequency band 13.75-14 GHz (Earth-to-space)
	[ 830 ] Annex 37 - Part 1 - English - Excel 2007		2025-11-25 [14:38]	653'449 octets
	[ 830 ] Annex 37 - English - Word		2025-11-25 [14:37]	902'427 octets	Working document towards candidate topic under WRC-27 agenda item 7 - Potential regulatory improvements related to the application of RR NO. 4.4 to stations of space services
	[ 830 ] Annex 36 - English - Word		2025-11-25 [14:18]	56'462 octets	Working document towards preliminary draft revision of Recommendation ITU-R S.673-2 - Terms and definitions relating to space radiocommunications
	[ 830 ] Annex 58 - English - Word		2025-11-25 [14:00]	968'976 octets	[Elements of the] working document towards a preliminary draft [new Recommendation ITU-R S.[NGSO DEORBITING]] - [Guidance] on safe and efficient deorbit and/or disposal strategies and methodologies for non-GSO [space stations/systems] involved in radiocommunication services after the end of their life
	[ 830 ] Annex 35 - English - Word		2025-11-25 [13:57]	216'912 octets	Elements for a working document towards a preliminary draft new Report ITU-R S.[IOS SPEC NEEDS] - Spectrum needs and operational description of in-orbit servicing (IOS) to support their safe operation
	[ 830 ] Annex 32 - English - Word		2025-11-25 [13:23]	127'423 octets	Working document towards a preliminary 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
	[ 830 ] Annex 25 - English - Word		2025-11-25 [10:57]	1'215'581 octets	Working document towards a preliminary draft revision of Recommendation ITU-R S.1526-1 - Methodology to assess the interference environment in relation to Nos. 9.12, 9.12A and 9.13 of the Radio Regulations when non-geostationary-satellite orbit fixed-satellite service systems are involved
	[ 830 ] Annex 57 - English - Word		2025-11-25 [10:55]	8'279'175 octets	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
	[ 830 ] Annex 21 - English - Word		2025-11-25 [10:38]	23'835'249 octets	Supporting material in relation to possible revision of Recommendations ITU-R S.1428 and ITU-R BO.1443, where appropriate and applicable
	[ 830 ] Annex 22 - English - Word		2025-11-24 [16:57]	65'094 octets	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
	[ 830 ] Annex 29 - English - Word		2025-11-24 [16:40]	124'742 octets	Working document towards a preliminary draft new revision of Recommendation ITU-R S.2157 - Procedures for the evaluation of interference from any non-geostationary-satellite system into a global set of the generic geostationary-satellite reference links in the frequency bands 37.5-39.5 GHz (space-to-Earth), 39.5-42.5 GHz (space-to-Earth), 47.2-50.2 GHz (Earth-to-space) and 50.4-51.4 GHz (Earth-to-space)
	[ 830 ] Annex 23 - English - Word		2025-11-24 [16:37]	112'006 octets	Working document towards a preliminary 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
	[ 830 ] Annex 30 - Part 2 - English - Excel 2007		2025-11-24 [15:44]	2'094'291 octets
	[ 830 ] Annex 30 - Part 1 - English - Excel 2007		2025-11-24 [15:43]	1'343'658 octets
	[ 830 ] Annex 59 - English - Word		2025-11-24 [15:29]	38'058 octets	Work plan of the Working Group of the Plenary on Resolution ITU-R 74
	[ 830 ] Annex 28 - English - Word		2025-11-24 [15:11]	218'737 octets	Working document on ACM performance objectives
	[ 830 ] Annex 56 - English - Word		2025-11-24 [14:34]	34'127 octets	Draft work plan for the Handbook on Satellite Communications and Technologies
	[ 830 ] Annex 26 - English - Word		2025-11-24 [12:21]	65'497 octets	Working document towards a preliminary draft new Report ITU-R S.[INTERFERENCE-NGSO-NGSO/GSO]
	[ 830 ] Annex 24 - English - Word		2025-11-24 [11:51]	34'764 octets	Detailed work plan for a revision to Recommendation ITU-R S.1503
	[ 830 ] Annex 17 - English - Word		2025-11-24 [11:31]	102'213 octets	Stage 2 process (Resolution 76 (Rev.WRC-23)) - Text elements for the Chair's Report on the development of the Stage 2 Process (Detailed Analysis at Consultation Meeting Based on Operational Parameters) as required under Resolution 76 (Rev.WRC-23)
	[ 830 ] Annex 18 - English - Word		2025-11-24 [11:24]	50'154 octets	Consultation Meeting draft Terms of Reference - Text elements for the Chair's Report on the development of Terms of Reference for the first Consultation Meeting as required under Resolution 76 (Rev.WRC-23)
	[ 830 ] Annex 19 - English - Word		2025-11-24 [11:11]	60'407 octets	Working document towards a preliminary draft revision of Recommendation ITU-R S.1325 - Simulation methodologies for determining statistics of short term interference between co frequency, codirectional non-geostationary-satellite orbit fixed-satellite service systems in circular orbits and other non-geostationary fixed satellite service systems in circular orbits or geostationary-satellite orbit fixed satellite service networks
	[ 830 ] Annex 15 - English - Word		2025-11-21 [17:35]	381'611 octets	Technical studies in response to WRC-23 minutes on Article 22 epfd limits [without any regulatory consequences [for information]]
	[ 830 ] Annex 16 - English - Word		2025-11-21 [16:55]	73'088 octets	Stage 1 Process (Resolution 76 (Rev.WRC-23)) - Text elements for the Chair?s Report on the development of the Stage 1 Process (Consultation Meeting Trigger) as required under Resolution 76
Résultats: 125 documents Result Page: 1 - 2 - 3 - Suivant

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