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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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