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Efficient Orbit/Spectrum Utilization for MSS and RDSS

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Contributions��
�	Number�	Title	Source	AI/Question	Date
�	[ 78 ] � �	Liaison statement to Working Party 4C concerning WRC-27 agenda item 1.12 - Direction to support studies under WRC-27 agenda item 1.12 � �	WP 4B �	AI1.12 �	2024-05-06
�	[ 77 ] � +Ann.1-15�	Report of the thirty-first meeting of Working Party 4C (Geneva, 24-30 April 2024) � �	Chair, WP 4C �	�	2024-04-30
�	[ 76 ] � �	Final list of participants - Working Party 4C (Geneva, 24-30 April 2024) � �	Director, BR �	�	2024-04-30
�	[ 75 ] � �	List of documents issued (Documents 4C/1 - 4C/75) � �	BR, Study Groups Department �	�	2024-04-23
�	[ 74 ] � �	Liaison statement to Radiocommunication Study Groups and Working Parties (copy for information to ITU-T and ITU-D Study Groups) � �	Chair, CCV �	�	2024-04-22
�	[ 73 ] � �	Considerations for sharing studies related to WRC-27 agenda item 1.13 � �	Telefon AB - LM Ericsson (Sweden) , Nokia Corporation �	AI1.13 �	2024-04-12
�	[ 72 ] � �	Proposed input on elements of a reply statement to Working Party 7D on WRC-27 agenda item 1.16 � �	South Africa �	AI1.16 �	2024-04-12
�	[ 71 ] � �	Elements for working document towards a preliminary draft new Report for WRC-27 agenda item 1.12 � �	Canada , Norway �	AI1.12 �	2024-04-12
�	[ 70 ] � �	Proposal relating to WRC-27 agenda item 1.11 on satellite-to-satellite links communicating with mobile satellite systems/networks � �	Canada �	AI1.11 �	2024-04-12
�	[ 69 ] � �	Considerations on preparation for WRC-27 agenda item 1.14 � �	China �	AI1.14 �	2024-04-12
�	[ 68 ] � �	Draft workplan for WRC-27 agenda item 1.12 � �	China �	AI1.12 �	2024-04-12
�	[ 67 ] � �	Considerations on preparations for WRC-27 agenda item 1.11 � �	China �	AI1.11 �	2024-04-12
�	[ 66 ] � �	Proposals on the working method for overlapping frequency of WRC-27 agenda items 1.12, 1.13 and 1.14 � �	China �	AI1.14, AI1.13, AI1.12 �	2024-04-12
�	[ 65 ] � �	Proposal on the work towards WRC-27 agenda item 1.13 � �	China �	AI1.13 �	2024-04-12
�	[ 64 ] � �	Characteristics of stations in the mobile-satellite service in the 1 645.5-1 646.5 MHz frequency band and adjacent bands 1 626.5-1 645.5 MHz and 1 646.5-1 660.5 MHz � �	United Kingdom �	AI1.12 �	2024-04-12
�	[ 63 ] � �	Working document regarding WRC-27 agenda item 1.11 � �	United Kingdom �	AI1.11 �	2024-04-12
�	[ 62 ] � �	Considerations on the work under WRC-27 agenda item 1.13 � �	Kenya , South Africa , Tanzania , Zimbabwe �	AI1.13 �	2024-04-12
�	[ 61 ] � �	Proposed working method and workplan for WRC-27 agenda item 1.13 � �	Germany �	AI1.13 �	2024-04-12
�	[ 60 ] � �	Draft liaison statements to Working Parties 3L, 3M, 4A, 4B, 5A, 5B, 5C, 5D, 6A, 7B and 7C - WRC-27 agenda item 1.13 � �	Germany �	AI1.13 �	2024-04-12
�	[ 59 ] � �	Carried over material for a revision to Report ITU-R M.2513-0 - Studies regarding the protection of the primary radionavigation-satellite service (space-to-Earth) by the secondary amateur and amateur-satellite services in the frequency band 1 240-1 300 MHz � �	International Amateur Radio Union �	�	2024-04-12
�	[ 58 ] � �	Proposal of structure of Working Party 4C � �	Mexico �	�	2024-04-12
�	[ 57 ] � �	Information paper - Update on recent U.S. activities on Supplemental Coverage from Space � �	United States �	AI1.13 �	2024-04-11
�	[ 56 ] � �	Working document [AI 1.13 SHARING AND COMPATIBILITY STUDIES] � �	United States �	AI1.13 �	2024-04-11
�	[ 55 ] � �	Workplan for WRC-27 agenda item 1.11 � �	United States �	AI1.11 �	2024-04-11
�	[ 54 ] � �	Working document regarding WRC-27 agenda item 1.11 � �	United States �	AI1.11 �	2024-04-11
�	[ 53 ] � �	Considerations for studies under WRC-27 agenda item 1.13 regarding RNSS (space-to-Earth and space-to-space) frequency bands in the range 694/698 MHz to 2.7 GHz � �	United States �	AI1.13 �	2024-04-11
�	[ 52 ] � �	Liaison statement regarding WRC-27 agenda item 1.11 � �	United States �	AI1.11 �	2024-04-11
�	[ 51 ] � �	Proposed revisions to working document towards a preliminary draft revision of Report ITU-R M.2305-0 � �	United States �	�	2024-04-11
�	[ 50 ] � �	Proposed draft reply liaison statement to Working Party 7C on EESS-RNSS matters � �	United States �	Q288/4, Q217/4 �	2024-04-11
�	[ 49 ] � �	Proposed workplan for Working Party 4C's role as the responsible group for WRC-27 agenda item 1.13 � �	United States �	AI1.13 �	2024-04-11
�	[ 48 ] � �	Updates to preliminary draft revision of Recommendation ITU-R M.1787 on new non-GSO RNSS system in the 1 164-1 215 MHz and 1 559-1 610 MHz frequency bands - Description of systems and networks in the radionavigation-satellite service (space-to-Earth and space-to-space) and technical characteristics of transmitting space stations operating in the bands 1 164-1 215 MHz, 1 215-1 300 MHz and 1 559-1 610 MHz � �	United States �	�	2024-04-11
�	[ 47 ] � �	Draft liaison statements to Working Parties 3L, 3M, 4A, 4B, 5A, 5B, 5C, 5D, 6A, 7B, 7C - WRC-27 agenda item 1.13 � �	United States of America �	AI1.13 �	2024-04-11
�	[ 46 ] � �	Proposal for draft revision of Recommendation ITU-R M.1787 - Description of systems and networks in the radionavigation-satellite service (space-to-Earth and space-to-space) and technical characteristics of transmitting space stations operating in the bands 1 164-1 215 MHz, 1 215-1 300 MHz and 1 559-1 610 MHz � �	Korea (Rep. of) �	Q288/4, Q217/4 �	2024-04-11
�	[ 45 ] � �	Agenda item 1.12 - Preparations for WRC-27 agenda item 1.12 (frequency band 1 645.5-1 646.5 MHz) � �	France �	AI1.12 �	2024-04-11
�	[ 44 ] � �	Agenda item 1.12 - Preparations for WRC-27 agenda item 1.12 (frequency band 2 010-2 025 MHz) � �	France �	AI1.12 �	2024-04-11
�	[ 43 ] � �	Proposed reply liaison statement to Working Party 5D - Documenting MSS and MMSS characteristics in the frequency range 7 125-8 400 MHz for sharing and compatibility studies under WRC-27 agenda item 1.7 � �	France �	AI1.7 �	2024-04-11
�	[ 42 ] � �	Existing and future development of systems under MSS and MMSS in the frequency range 7 250 to 8 025 MHz � �	France �	AI1.7 �	2024-04-11
�	[ 41 ] � �	Proposals for updating the working document towards a preliminary draft revision of Report ITU-R M.2305-0 and draft reply liaison statement to Working Party 7C � �	Russian Federation �	�	2024-04-11
�	[ 40 ] � �	Proposals for updating the preliminary draft new Report ITU-R M.[IMT-RNSS] - Protection of radionavigation-satellite service receiving earth stations operating in the frequency bands 1 164-1 215 MHz, 1 215-1 300 MHz and 1 559-1 610 MHz from spurious emissions of IMT stations in the frequency bands below 3 GHz � �	Russian Federation �	�	2024-04-11
�	[ 39 ] � �	Proposed working method of Working Party 4C and detailed workplan for WRC-27 agenda item 1.13 � �	Russian Federation �	AI1.13 �	2024-04-11
�	[ 38 ] � �	Technical and operational characteristics of MSS for sharing and compatibility studies under WRC-27 agenda item 1.13 � �	Russian Federation �	AI1.13 �	2024-04-11
�	[ 37 ] � �	Proposed draft reply liaison statement to Working Party 5D regarding WRC-27 agenda item 1.13 � �	Russian Federation �	AI1.13 �	2024-04-11
�	[ 36 ] � �	Proposed draft liaison statement to contributing Working Parties regarding WRC-27 agenda item 1.13 � �	Russian Federation �	AI1.13 �	2024-04-11
�	[ 35 ] � �	Preliminary materials to support the study under WRC-27 agenda item 1.5 � �	Kazakhstan , Russian Federation �	AI1.5 �	2024-04-11
�	[ 34 ] � �	Proposed updates to preliminary draft revision of Recommendation ITU-R M.1787 - Description of systems and networks in the radionavigation-satellite service (space-to-Earth and space-to-space) and technical characteristics of transmitting space stations operating in the bands 1 164-1 215 MHz, 1 215-1 300 MHz and 1 559-1 610 MHz � �	Korea (Rep. of) �	�	2024-04-11
�	[ 33 ] � �	Consideration for the studies related to MSS for direct connectivity under WRC-27 agenda item 1.13 � �	Korea (Rep. of) �	AI1.13 �	2024-04-11
�	[ 32 ] � �	Proposed Working Party 4C work plan regarding WRC-27 agenda item 1.12 � �	Korea (Rep. of) �	�	2024-04-11
�	[ 31 ] � �	Proposed frequency bands to be studied under WRC-27 agenda item 1.13 � �	Japan �	AI1.13 �	2024-04-10
�	[ 30 ] � �	Proposed work plan for WRC-27 agenda item 1.13 � �	Japan �	AI1.13 �	2024-04-10
�	[ 29 ] � �	Proposed draft reply liaison statement to Working Party 5D concerning WRC-27 agenda item 1.13 � �	Japan �	AI1.13 �	2024-04-10
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