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ITU-R R23-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
	[ 58 ]	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)	United States	AI1.3	2024-04-18
	[ 57 ]	Proposed draft reply liaison statement to Working Party 7C - Relevant technical information for sharing studies under WRC-27 agenda item 1.19	United States	AI1.19	2024-04-18
	[ 56 ]	Proposed draft reply liaison statement to Working Party 5D - Relevant technical information for sharing studies under WRC-27 agenda item 1.7	United States	AI1.7	2024-04-18
	[ 55 ]	Potential Handbook outline on best practices for sustainable use of radio frequency spectrum and associated orbits [HANDBOOK SPACE SUSTAINABILITY]	United States		2024-04-18
	[ 54 ]	Update to Report ITU-R S.2515-0	United States		2024-04-18
	[ 53 ]	Further work to study the alpha-table methodology and its use in Recommendation ITU-R S.1503	United Kingdom		2024-04-17
	[ 52 ]	Proposed topic to be considered under WRC-27 agenda item 7 - Possible measures to enhance protection and sustainable development of broadcasting-satellite service in Regions 1 and 3 Plan band by addressing the significant discrepancies between service area and coverage area of networks operating as Region 2 fixed-satellite service in the frequency band 11.7-12.2 GHz	Iran (Islamic Republic of)	AI7	2024-04-17
	[ 51 ]	Proposed input on elements of the reply liaison statement to Working Party 7D on WRC-27 agenda item 1.16	South Africa	AI1.16	2024-04-17
	[ 50 ]	Proposed structure for the draft Report on RR Article 22 epfd limits	Luxembourg		2024-04-17
	[ 49 ]	Proposed liaison statement and Working Party 4A workplan regarding WRC-27 agenda item 1.1	Luxembourg	AI1.1	2024-04-17
	[ 48 ]	Proposed parameters regarding ESIMs to be used for studies under WRC-27 agenda item 1.1	Luxembourg	AI1.1	2024-04-17
	[ 47 ]	Comparison of current GSO links in Ku band with links used for the epfd derivation	Luxembourg		2024-04-17
	[ 46 ]	Proposed annex to working document towards a preliminary draft new Recommendation ITU-R S.[INTERFERENCE-NGSO]	China		2024-04-17
	[ 45 ]	Working document towards a preliminary draft new Recommendation ITU-R S.[INTERFERENCE-NGSO]	China		2024-04-17
	[ 44 ]	Proposed studies on Resolution 35 (Rev.WRC-23)	China		2024-04-17
	[ 43 ]	Proposed topic to be considered under WRC-23 agenda item 7 to develop possible regulatory measures to implement RR No. 4.4	China	AI7	2024-04-17
	[ 42 ]	A proposed questionnaire on the current status and future plan of FSS satellite networks/systems in the Q/V band for WRC-27 agenda item 1.6	China	AI1.6	2024-04-17
	[ 41 ]	Consideration on the preparations for WRC-27 agenda item 1.5	China	AI1.5	2024-04-17
	[ 40 ]	Proposal on working document towards a preliminary draft new Report ITU-R S.[SHARING AND COMPATIBILITY STUDIES ON FSS/BSS IN 17.3-17.7/17.8 GHZ FOR R3] - WRC-27 agenda item 1.4	China	AI1.4	2024-04-17
	[ 39 ] (Rev.1)	Considerations on preparations for WRC-27 agenda item 1.3	China	AI1.3	2024-04-17
	[ 38 ]	Proposal on the studies under WRC-27 agenda item 1.2	China	AI1.2	2024-04-17
	[ 37 ]	Proposed draft liaison statements to contributing Working Parties regarding WRC-27 agenda item 1.1	China	AI1.1	2024-04-17
	[ 36 ]	Working document towards a preliminary draft new Report ITU-R S.[STUDIES OF ARTICLE 22 MECHANISM]	Burundi , Cameroon , Chad , Congo (Republic of the) , Democratic Republic of the Congo , Gabon , Guinea , Sao Tome and Principe		2024-04-17
	[ 35 ]	Medium Earth orbit earth station parameters for studies to be conducted under WRC-27 agenda item 1.3	SES	AI1.3	2024-04-16
	[ 34 ]	Amendments to working document towards a preliminary draft new Recommendation/Report ITU-R S.[INTERFERENCE-NGSO] - Methodology to assess the average throughput degradation and unavailability increase between non-geostationary FSS satellite system	Samoa		2024-04-12
	[ 33 ]	Workplan for WRC-27 agenda item 1.1	Germany	AI1.1	2024-04-12
	[ 32 ]	Proposed Working document on WRC-27 agenda item 1.1	Germany	AI1.1	2024-04-12
	[ 31 ]	Proposed liaison statement to contributing Working Parties of WRC-27 agenda item 1.1	Germany	AI1.1	2024-04-12
	[ 30 ]	Working document towards a preliminary draft revision of Recommendation ITU-R S.1503-4 - 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 Article 22 of the Radio Regulations	Russian Federation		2024-04-11
	[ 29 ]	Preliminary materials to support the study under WRC-27 agenda item 1.5	Kazakhstan , Russian Federation	AI1.5	2024-04-11
	[ 28 ]	Proposed topic to be considered under WRC-27 agenda item 7 - Possible measures to restrain 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	Korea (Rep. of)	AI7	2024-04-11
	[ 27 ]	Proposed topic to be considered under WRC-27 agenda item 7 - Possible measures to limit the practice of introducing a completely different orbital plane for non-geostationary-satellite systems that is not foreseen to be required for operation of the constellation	Korea (Rep. of)	AI7	2024-04-11
	[ 26 ]	Working document towards a preliminary draft revision to Report ITU-R BO.2029	Japan		2024-04-09
	[ 25 ]	Provisions to be possibly reviewed under WRC-27 agenda item 1.4	Japan	AI1.4	2024-04-10
	[ 24 ]	Liaison statement to Working Parties 4A and 4C (copy to Working Parties 3J, 3M, 5A, 5B, and 5C for information) - WRC-27 agenda item 1.18	WP 7D	AI1.18	2024-03-28
	[ 23 ]	Liaison statement to Working Parties 3J and 3M (copy to Working Parties 1B, 4A, 4C, 5A, 5B, and 5D for information) on WRC-27 agenda items 1.16 and 1.18	WP 7D	AI1.18, AI1.16	2024-03-28
	[ 22 ]	Liaison statement to Working Parties 4A, 4C and 5A (copy to Working Parties 1B, 3J, 3M, 5B and 5D for information) - WRC-27 agenda item 1.16	WP 7D	AI1.16	2024-03-28
	[ 21 ]	Liaison statement for action to Working Parties 3J, 4A, 4C, 5A, 5B, 5C, 5D, 7A, 7C and 7D, and for information to Working Party 1B - Relevant technical information to support studies under WRC-27 agenda item 1.15	WP 7B	AI1.15	2024-03-27
	[ 20 ]	Liaison statement to Working Party 5D (copy to Working Parties 1B, 3K, 3M, 4A, 4C, 5A, 5B, 5C, 7C and 7D) - WRC-27 agenda item 1.7	WP 7B	AI1.7	2024-03-27
	[ 19 ]	Liaison statement to Working Party 5B (copy to Working Parties 3J, 3K, 3M, 4A, 4C, 5A, 5C and 7D for information) - Information on active and passive sensors in the EESS for WRC-27 agenda item 1.8	WP 7C	AI1.8	2024-03-26
	[ 18 ]	Liaison statement to Working Parties 3L, 3M, 4A, 4C, 5A, 5B, 5C, 5D, 6A, 7B and 7D - Relevant technical information to support studies under WRC-27 agenda item 1.17	WP 7C	AI1.17	2024-03-25
	[ 17 ]	Liaison statement to Working Parties 3M, 4A, 5A, 5B, 5C, 5D, 7A and 7B (copy to ICAO for information) - WRC-27 agenda item 1.19	WP 7C	AI1.19	2024-03-25
	[ 16 ]	Reply liaison statement to Working Party 5D (copy to Working Parties 1B, 3K, 3M, 4A, 4C, 5A, 5B, 5C, 7B and 7D for information) - WRC-27 agenda item 1.7	WP 7C	AI1.7	2024-03-25
	[ 15 ]	Liaison statement to Working Party 5C (copy to Working Parties 4A, 4C, 5A, 5B, 3J and 3M) - Relevant technical information to support studies under WRC-27 agenda item 1.18	WP 7C	AI1.18	2024-03-25
	[ 14 ]	Liaison statement to Working Parties 3J, 3M (copy to Working Parties 4A, 4C, 5A, 5B and 5C) - Propagation aspects related to WRC-27 agenda item 1.18	WP 7C	AI1.18	2024-03-25
	[ 13 ]	Liaison statement to Working Parties 4A, 4C, 5A, 5B (copy to Working Parties 5C, 3J and 3M) - Relevant technical information to support studies under WRC-27 agenda item 1.18	WP 7C	AI1.18	2024-03-25
	[ 12 ]	Liaison statement to Working Party 4A (copy to Working Parties 3M, 5A, 5C and 7D for information) - WRC-27 agenda item 1.3	WP 7C	AI1.3	2024-03-25
	[ 11 ]	Liaison statement to Working Party 4A (copy to Working Parties 3M, 4C, 5A, 5B, 5C, 5D, 7B and 7D for information) - WRC-27 agenda item 1.1	WP 7C	AI1.1	2024-03-25
	[ 10 ]	Liaison statement to Working Party 4A (copy to Working Parties 1B, 3M, 4B, 4C, 5A, 5B, 5C, 5D, 7B, 7C and 7D for information) - WRC-27 agenda item 1.6	WP 6A	AI1.6	2024-03-18
	[ 9 ]	Liaison statement to Working Party 5C (copy to Working Parties 1A, 3J, 3M, 4A, 4B, 4C, 5A, 5B, 7C and 7D for information) - WRC-27 agenda item 1.10	WP 6A	AI1.10	2024-03-18
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