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ITU-R WP4A C

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Efficient Orbit/Spectrum Utilization for FSS and BSS

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Contributions
	Number	Title	Source	AI/Question	Date
	[ 883 ]	Report of activities of the Correspondence Group on Resolution 169 (WRC-19) to Working Party 4A meeting of 27 June to 6 July 2023	Chairman, CG on Resolution 169		2023-06-12
	[ 882 ]	Liaison statement to Working Parties 1A, 1B, 1C, 4A, 4B, 4C, 5A, 5B, 5C, 5D, 6A, 7B, 7C and 7D - Future Study Group 3 Work Plan for frequencies above 100 GHz	WP 3M		2023-06-09
	[ 881 ]	Working document on developing an ITU-R small satellite handbook	Director, Radiocommunication Bureau		2023-06-08
	[ 880 ]	Reply liaison statement to Working Party 7B (copy to Working Parties 4A, 5A, 5B, 5C, 7C and 7D for information) - Report on progress of activities relating to WRC-23 agenda item 1.13	WPs 3K and 3M	AI1.13	2023-06-07
	[ 879 ]	Liaison statement to the Coordination Committee for Terminology (CCT) (copy to Working Parties 1B, 4A, 4B, 4C, 5A, 5B, 5C, 5D, 6A, 7B, 7C and 7D, and Study Group 1 for information) - Proposed revision of Recommendation ITU-R V.431-8	WPs 3J, 3K & 3M		2023-06-02
	[ 878 ]	Liaison statement to ITU-T Study Groups 16 and 20, ITU-R SG 1 and Working Parties 1B, 5A and 5D (copy to ITU-T SGs 2, 3, 5, 9, 13, and ITU-R WPs 1C, 4A, 5B, 5C, 6A, 7B) on question of mutual interest and implementation of the WTDC Resolution 9 (Rev. Kigali, 2022) for e-services including e-health and e-education	ITU-D SG2 Q2/2		2023-05-31
	[ 877 ]	Report of activities of the Correspondence Group on updating Recommendation ITU-R S.1503 to Working Party 4A	Chairman, CG on Updating Rec. ITU-R S.1503		2023-05-30
	[ 876 ]	Liaison statement from ITU-D Study Group 2 Question 7/2 to ITU-T Study Group 5 and ITU-R Study Group 1 (copy to ITU-R Working Parties 1C, 4A, 5A, 5B, 5C, 5D and 6A) on questions of mutual interest and implementation of the WTDC Resolution 9 (Rev. Kigali, 2022) - ITU-D Study Group 2 Question 7/2: Strategies and policies concerning human exposure to electromagnetic fields	ITU-D SG2 Q7/2		2023-05-27
	[ 875 ]	Liaison statement to Working Parties 1B, 4A, 4B, 4C, 6A, and 7C regarding revision of Resolution ITU-R 55	WP 5A		2023-05-19
	[ 874 ]	Reply liaison statement to Working Party 3M (copy to Working Parties 1A, 4A, 4C, 5B, 5C, 5D, 6A, 7B, 7C and 7D) - Future development of P-series Recommendations to address frequencies above 100 GHz	WP 5A		2023-05-19
	[ 873 ]	Reply liaison statement to CCT (copy to Working Parties 1B, 3J, 3K, 3M, 4A, 4B, 4C, 5B, 5C, 5D, 6A, 7A, 7B, 7C and 7D) - Revising Recommendation ITU-R V.431-8	WP 5A		2023-05-18
	[ 872 ]	Starlink system and satellite payload	Space Exploration Technologies Corp.		2023-05-18
	[ 871 ]	SpaceX rideshare program overview	Space Exploration Technologies Corp.		2023-05-18
	[ 870 ]	Reply liaison statement to Working Party 7B (copy to Working Parties 3K, 3M, 4A, 5A, 5B, 7C and 7D for information) - Activities relating to WRC-23 agenda item 1.13	WP 5C		2023-05-18
	[ 869 ]	Liaison statement to ITU-R Working Parties - Revising Recommendation ITU-R V.431-8	CCT		2023-05-09
	[ 868 ]	Liaison statement to ITU-T Study Groups 11, 13, 16, 17, and 20 on work related to unmanned aircraft systems (UAS) (copy to Working Parties 4A, 4C and 5B, RAG and ITU-T Study Groups 2, 3, 5, 9, 12 and 15 for information)	TSAG		2022-12-23
	[ 867 ]	Proposed modifications to working document on developing an ITU-R small satellite handbook	Director, BR		2022-12-22
	[ 866 ]	Liaison statement from ITU-D Study Group 1 Question 3/1 to all related Study Groups of ITU-T, all related Working Parties of ITU-R, APT and ETSI on disaster risk reduction and management	ITU-D SG1		2022-12-20
	[ 865 ] (Rev.1)	Reply liaison statement to Working Party 3M (copy to Working Parties 1A, 1B, 1C, 4A, 4B, 4C, 5A, 5B, 5D, 6A, 7B, and 7D for information) - Future development of P-series recommendations to address frequencies above 100 GHz	WP 5C		2022-12-01
	[ 864 ]	Liaison statement to Working Parties 4A, 4C, 5A, 5B, 5C, and 7D - WRC-23 agenda item 1.14 activities	WP 7C	AI1.14	2022-10-14
	[ 863 ]	Reply liaison statement to Working Party 4A - WRC-23 agenda item 9.1, topic d)	WP 7C	AI9.1D)	2022-10-14
	[ 862 ]	Liaison statement to Working Parties 3K, 3M, 4A, 5A, 5B, 5C, 7C and 7D - Report on progress of activities relating to agenda item 1.13 (WRC-23)	WP 7B	AI1.13	2022-10-11
	[ 861 ]	Liaison statement to Working Party 4A - Frequency sharing between SRS and FSS (space-to-Earth) systems in the 37.5-38 GHz band (Recommendation ITU-R SA.2079 and Report ITU-R SA.2307)	WP 7B		2022-10-10
	[ 860 ]	Reply liaison statement to Working Party 3M (copy to Working Parties 1A, 1B, 1C, 4A, 4B, 4C, 5A, 5B, 5C, 5D, 6A, 7B and 7D for information) - Future development of P-series Recommendations to address frequencies above 100 GHz	WP 7C		2022-10-07
	[ 859 ]	Reply liaison statement to Working Party 3M (copy to Working Parties 3J, 3K, 1A, 1B, 1C, 4A, 4B, 4C, 5A, 5B, 5C, 5D, 6A, 7B, and 7C) - Extending the application of propagation Recommendations to frequencies greater than 100 GHz	WP 7D		2022-10-06
	[ 858 ]	Note to the Chairmen of Working Parties 5D and 6A (copy to the Chairmen of Working Parties 4A, 4C, 5A, 5B, 5C, 7B, 7C and 7D for information) - WRC-23 agenda item 1.4	WPs 3J, 3K & 3M	AI1.4	2022-10-06
	[ 857 ]	Reply liaison statement to Working Party 5D (copy to Working Parties 3J, 3K, 3M, 4A, 4C, 5A, 5B, 5C, 7B, 7C and 7D for information) - WRC-23 agenda item 1.4	WP 6A	AI1.4	2022-09-28
	[ 856 ] +Ann.1-41	Report on the meeting of Working Party 4A (14-22 September 2022)	Chairman, WP 4A		2022-09-23
	[ 855 ]	Final list of participants - Working Party 4A (14-22 September 2022)	Director, BR		2022-09-22
	[ 854 ]	Preliminary position on WRC-23 Agenda	World Meteorological Organization		2022-09-20
	[ 853 ]	Liaison statement to Working Party 3M (copy to Working Parties 1A, 1B, 1C, 4A, 4C, 5A, 5B, 5C, 5D, 6A, 7B, 7C and 7D) - Extending the application of propagation Recommendations to frequencies greater than 100 GHz	WP 4B		2022-09-16
	[ 852 ]	List of documents issued (Documents 4A/691 - 4A/852)	BR, Study Groups Department		2022-09-14
	[ 851 ]	Information on the invocation of Article 48 of the Constitution in relation to the Radio Regulations	Director, BR		2022-09-13
	[ 850 ]	Methodology for assessing conformity of a ESIMs with pfd limits in Resolution 169 (WRC-19)	Director, BR		2022-09-13
	[ 849 ]	Modification to draft CPM text for WRC-23 agenda item 1.16	Djibouti (Republic of) , Egypt (Arab Republic of) , Saudi Arabia (Kingdom of) , Tunisia (Republic of) , United Arab Emirates	AI1.16	2022-09-07
	[ 848 ]	Sharing studies regarding non-GSO LEO user stations transmitting to non-GSO LEO service providers in the frequency band 27.5-30 GHz for the "within the cone of coverage" scenario under WRC-23 agenda item 1.17	OneWeb	AI1.17	2022-09-07
	[ 847 ]	Revisions to working document on WRC-23 agenda item 1.15 and preliminary draft CPM text on agenda item 1.15 - Operation of earth stations on aircraft and vessels communicating with geostationary space stations in the fixed-satellite service in the frequency band 12.75-13.25 GHz (Earth-to-space)	OneWeb	AI1.15	2022-09-07
	[ 846 ]	The satellite antenna gain as a function of elevation angle at a fixed point on the Earth (Appendix 4, item B.4.b.2)	Director, BR		2022-09-08
	[ 845 ]	Proposed modifications to working document on developing an ITU-R Small Satellite Handbook	Director, BR		2022-09-08
	[ 844 ] (Rev.1)	Updated statistics on the coordination activities for submissions made in accordance with Resolution 559 (WRC-19)	Director, BR		2022-09-08
	[ 843 ]	Proposed modifications to working document on developing an ITU-R Small Satellite Handbook	Director, BR		2022-09-08
	[ 842 ]	Proposed modifications to working document on developing an ITU-R Small Satellite Handbook	Director, BR		2022-09-08
	[ 841 ]	Treatment of frequency assignments with a bandwidth less than the stated averaging bandwidth	Director, BR		2022-09-08
	[ 840 ]	Updates to working document related to WRC-23 agenda item 1.17 - Comparison of assessment methodologies	Inmarsat Ltd.	AI1.17	2022-09-07
	[ 839 ]	Proposal for CPM text for WRC-23 agenda item 7, Topic L	United States of America	AI7L	2022-09-07
	[ 838 ]	Draft CPM text for WRC-23 agenda item 7, Topic E	Luxembourg , Norway , Spain , Sweden	AI7E	2022-09-07
	[ 837 ]	Working document towards a draft CPM text for WRC-23 agenda item 7, Topic F - Exclusion of service and coverage areas for feeder-links/uplinks in the bands subject to RR Appendix 30A and RR Appendix 30B	Saudi Arabia (Kingdom of)	AI7F	2022-09-07
	[ 836 ]	Material for preliminary draft CPM text for WRC-23 agenda item 7, Topic H (enhanced protection of RR AP30/30A/30B)	Saudi Arabia (Kingdom of)	AI7H	2022-09-07
	[ 835 ]	Revisions to working document towards a preliminary draft new Recommendation - Methodology for evaluating aggregate equivalent power flux-density into geostationary satellite networks in the fixed-satellite in the KU and KA frequency bands and Terms of Reference for consultation meetings	SES		2022-09-07
	[ 834 ]	Working document on WRC-23 agenda item 1.15 - Compatibility study of maritime earth stations and stations in the fixed service	Intelsat	AI1.15	2022-09-07
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