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

[ 588 ]	2025-07-10	Director, BR	Performance parameters for studies under WRC-27 agenda item 1.18, resolves 1) to Study Group 7, Working Parties 7C, 4A and 4C			AI1.18
	[ 588 ] Part 3 - English - Excel 2007		2025-07-10 [09:32]	9'291 octets
	[ 588 ] Part 2 - English - Excel 2007		2025-07-10 [09:32]	12'020 octets
	[ 588 ] Part 1 - English - Excel 2007		2025-07-10 [09:32]	9'769 octets
	[ 588 ] - English - Word		2025-07-10 [09:31]	69'599 octets

[ 567 ]	2025-05-16	Chair, WP 4A	Report on the fifty-sixth meeting of Working Party 4A (Shanghai, China, 5-16 May 2025)			N/A
	[ 567 ] Revision 1 - English - Word		2025-07-09 [14:22]	226'824 octets
	[ 567 ] Annex 3 - Part 7 - English - Excel 2007		2025-06-26 [12:31]	52'652 octets
	[ 567 ] Annex 1 - English - Word		2025-06-11 [09:31]	14'074'218 octets	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
	[ 567 ] Annex 11 - English - Word		2025-06-06 [17:30]	3'170'369 octets	Elements of working document towards draft CPM text for WRC-27 agenda item 1.5
	[ 567 ] Annex 13 - English - Word		2025-06-06 [16:36]	75'102 octets	Elements of working document towards draft CPM text on WRC-27 agenda item 1.6
	[ 567 ] Annex 5 - English - Word		2025-06-06 [16:08]	41'285 octets	Working document towards draft CPM text for WRC-27 agenda item 1.3
	[ 567 ] Annex 3 - Part 5 - English - Word		2025-06-06 [16:03]	11'040'907 octets	Working document on WRC-27 agenda item 1.2 (Part 5) - Operational and technical limitations for FSS earth stations in the frequency band 13.75-14 GHz (Earth-to-space)
	[ 567 ] Annex 3 - Part 6 - English - Word		2025-06-06 [15:57]	1'121'499 octets	Agenda item 1.2 FSS deployment density discussion
	[ 567 ] Annex 3 - Part 4 - English - Word		2025-06-06 [14:58]	3'621'834 octets	Working document on WRC-27 agenda item 1.2 (Part 4) - Operational and technical limitations for FSS earth stations in the frequency band 13.75-14 GHz (Earth-to-space)
	[ 567 ] Annex 3 - Part 2 - English - Word		2025-06-06 [12:27]	11'588'183 octets	Working document on WRC-27 agenda item 1.2 (Part 2) - Operational and technical limitations for FSS earth stations in the frequency band 13.75-14 GHz (Earth-to-space)
	[ 567 ] Annex 3 - Part 3 - English - Word		2025-06-06 [12:16]	20'492'834 octets	Working document on WRC-27 agenda item 1.2 (Part 3) - Operational and technical limitations for FSS earth stations in the frequency band 13.75-14 GHz (Earth-to-space)
	[ 567 ] Annex 51 - English - Word		2025-06-05 [14:23]	32'626 octets	Note from the Chair of Working Party 4A to the Director of the Radiocommunication Bureau
	[ 567 ] Annex 52 - English - Word		2025-06-05 [14:17]	39'306 octets	Date of beginning of the works related to non-WRC topics discussed under the purview of Working Group 4A1
	[ 567 ] Annex 48 - English - Word		2025-06-05 [14:09]	111'313 octets	Working document towards a preliminary draft new 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
	[ 567 ] Annex 50 - English - Word		2025-06-05 [13:43]	72'326 octets	Draft reply liaison statement to Working Party 7D on WRC-27 agenda item 1.16 - Technical information to support studies under WRC-27 agenda item 1.16
	[ 567 ] Annex 49 - English - Word		2025-06-05 [13:35]	90'119 octets	Preliminary draft new revision of Recommendation ITU-R BO.1504 - Effective utilization of spectrum assigned to the broadcasting satellite service (sound)
	[ 567 ] Annex 46 - English - Word		2025-06-05 [13:30]	339'126 octets	Working document towards a preliminary draft new Recommendation - Maximum allowable aggregate interference levels from time-variant sources from other services into fixed-satellite service links
	[ 567 ] Annex 47 - English - Word		2025-06-05 [12:26]	28'455'525 octets	Working document towards a preliminary draft revision to Report ITU-R BO.2029 - Broadcasting-satellite service earth station antenna pattern measurements and related analyses
	[ 567 ] Annex 42 - English - Word		2025-06-05 [12:07]	1'345'999 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 in sharing and compatibility studies
	[ 567 ] Annex 45 - English - Word		2025-06-05 [11:50]	59'082 octets	Working document towards a preliminary draft revision of Recommendation ITU-R BO.1900 - Reference receive earth station antenna pattern for the broadcasting-satellite service in the band 21.4-22 GHz in Regions 1 and 3
	[ 567 ] Annex 44 - English - Word		2025-06-05 [11:47]	38'474 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
	[ 567 ] Annex 43 - English - Word		2025-06-05 [11:41]	44'525 octets	Working document towards a preliminary draft new Report ITU-R S.[INTERFERENCE-NGSO-NGSO/GSO]
	[ 567 ] Annex 39 - English - Word		2025-06-05 [11:32]	957'882 octets	Elements relating to working document towards a preliminary draft revision of Recommendation ITU-R S.1526-1
	[ 567 ] Annex 41 - English - Word		2025-06-05 [11:25]	38'543 octets	Some elements relating to working document towards a preliminary draft new Recommendation ITU-R S.[NON-GSO-MODELLING]
	[ 567 ] Annex 40 - English - Word		2025-06-05 [11:19]	911'847 octets	Working document towards a preliminary draft revision of Recommendation ITU-R S.1529 - Analytical method for determining the statistics of interference between non geostationary satellite orbit fixed-satellite service systems and other non geostationary satellite orbit fixed satellite service systems or geostationary satellite orbit fixed satellite service networks
	[ 567 ] Annex 38 - English - Word		2025-06-05 [10:20]	41'968 octets	Detailed work plan for a revision to Recommendation ITU-R S.1503 in the period 2024-2025
	[ 567 ] Annex 37 - English - Word		2025-06-05 [09:33]	494'582 octets	Working document containing technical work relating to the GSO es gain patterns used by Recommendation ITU-R S.1503
	[ 567 ] Annex 31 - English - Word		2025-06-04 [16:55]	25'166'935 octets	Technical studies [for information] in response to WRC-23 minutes on Article 22 epfd limits without any regulatory consequences [for information]
	[ 567 ] Annex 36 - English - Word		2025-06-04 [16:05]	8'778'882 octets	Working document towards a preliminary draft revision of Recommendation ITU-R S.1503 - Functional description to be used in developing software tools for determining conformity of non-geostationary-satellite orbit fixed-satellite service systems or networks with limits contained in RR Article 22 of the Radio Regulations
	[ 567 ] Annex 23 - English - Word		2025-06-04 [15:37]	48'618 octets	Working document towards candidate Topic under WRC-27 agenda item 7 - Proposed revision to Resolution 170 (Rev.WRC-23)
	[ 567 ] Annex 19 - English - Word		2025-06-04 [15:35]	49'714 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 3.4 GHz and services currently not subject to the application of the coordination arc concept, and to review the existing coordination arc thresholds
	[ 567 ] Annex 3 - English - Word		2025-06-04 [15:28]	2'418'743 octets	Working document on WRC-27 agenda item 1.2 - Operational and technical limitations for FSS earth stations in the frequency band 13.75-14 GHz (Earth-to-space)
	[ 567 ] Annex 35 - English - Word		2025-06-04 [13:18]	3'187'195 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
	[ 567 ] Annex 34 - English - Word		2025-06-04 [10:50]	38'845 octets	Resolution 76 (Rev.WRC-23) - Methodology - Key challenges for discussion
	[ 567 ] Annex 33 - English - Word		2025-06-04 [10:16]	1'148'736 octets	Working document towards a preliminary draft new Recommendation ITU-R S.[EXCEEDANCE EPFD KA KU] - Examples of Technical procedures for addressing any exceedance of aggregate equivalent power flux-density into geostationary satellite networks in the fixed-satellite service from multiple non-geostationary satellite systems in the Ku and Ka frequency bands in the frequency bands covered by Resolution 76 (WRC-23)
	[ 567 ] Annex 15 - English - Word		2025-06-03 [17:13]	181'138 octets	Working document towards candidate topic under WRC-27 agenda item 7 transparency measures and improvements to the application of RR No. 4.4 to space/satellite services
	[ 567 ] Annex 25 - English - Word		2025-06-03 [17:13]	21'870'400 octets	Working document towards candidate topic under WRC-27 agenda item 7 - Possible measures to enhance long-term protection and sustainable development of BSS in the plan band against severe misaligned FSS in other regions
	[ 567 ] Annex 22 - English - Word		2025-06-03 [17:12]	51'375 octets	Working document towards candidate topic under WRC-27 agenda item 7 - Proposed revision to Resolution 553 (Rev.WRC-23)
	[ 567 ] Annex 17 - English - Word		2025-06-03 [17:11]	81'543 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")
	[ 567 ] Annex 16 - English - Word		2025-06-03 [17:04]	44'459 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
	[ 567 ] Annex 20 - English - Word		2025-06-03 [17:00]	56'836 octets	Working document towards candidate Topic under WRC-27 agenda item 7 - Proposed modifications to Appendix 4
	[ 567 ] Annex 21 - English - Word		2025-06-03 [16:42]	43'199 octets	Working document towards candidate 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
	[ 567 ] Annex 32 - English - Word		2025-06-03 [16:31]	584'530 octets	Working document towards a preliminary draft new Recommendation ITU-R S.[AGGREGATE EPFD KA KU]
	[ 567 ] Annex 30 - English - Word		2025-06-03 [16:26]	42'514 octets	Draft work plan for the Handbook on Satellite Communications and Technologies
	[ 567 ] Annex 12 - English - Word		2025-06-03 [15:48]	782'435 octets	Elements for a working document on WRC-27 agenda item 1.6
	[ 567 ] Annex 28 - English - Word		2025-06-03 [14:52]	166'464 octets	Work plan of the Working Group of the plenary on Resolution ITU-R 74
Résultats: 114 documents Result Page: 1 - 2 - 3 - Suivant

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