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Efficient Orbit/Spectrum Utilization for MSS and RDSS

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Contributions��
�	Number�	Title	Source	AI/Question	Date
�	[ 49 ] � �	Liaison statement to Working Parties 1A and 4C and CISPR - Interference to maritime systems from light emitting diode (LED) lighting located onboard the same vessel � �	WP 5B �	�	2020-08-07
�	[ 48 ] � �	Reply liaison statement to Working Party 7C (copied for information to Working Parties 3J, 3M, 4A, 4C, 5A, 5B) - WRC-23 agenda item 1.14 - System technical and operational characteristic in the frequency band 231.5-252 GHz � �	WP 5C �	AI1.14 �	2020-08-07
�	[ 47 ] � �	Reply liaison statement to Working Party 5D (copied for information to Working Parties 4A, 4C, 5A, 5B, 6A, 7B, 7C and 7D) - WRC-23 agenda item 1.4 � �	WP 5C �	AI1.4 �	2020-08-07
�	[ 46 ] � �	Reply liaison statement to Working Party 5D (copy to Working Parties 3K, 3M, 4A, 4B, 4C, 5A, 5B, 7B and 7C for information) - WRC-23 agenda item 1.2 � �	WP 5C �	AI1.2 �	2020-08-07
�	[ 45 ] � �	Reply liaison statement to Working Party 7C (copied for information to Working Parties 4A, 4C, 5B and 5C) - Technical and operational characteristics in the frequency band 231.5-252 GHz � �	WP 5A �	AI1.14 �	2020-08-07
�	[ 44 ] � �	Reply liaison statement to Working Party 4C (copied for information to Working Parties 4A, 4B, 5A, 5B, 5D, 7B, 7C and 3M) - WRC-23 agenda item 1.18 � �	WP 5C �	AI1.18 �	2020-08-06
�	[ 43 ] � �	Reply liaison statement to Working Party 4A (copy to Working Parties 3M, 4B, 4C, 5A, 5B, 7B and 7C) - WRC-23 agenda item 1.17 � �	WP 5C �	AI1.17 �	2020-08-06
�	[ 42 ] � �	Reply liaison statement to Working Party 4A (copy to Working Parties 3M, 4C, 5A, 5B, 7B and 7C for information) - WRC-23 agenda item 1.16 � �	WP 5C �	AI1.16 �	2020-08-06
�	[ 41 ] � �	Liaison reply to Working Party 4A (copy to Working Parties 4C, 7B and 7C) - Re: Intention to develop a Small Satellite Handbook � �	WP 5A �	�	2020-08-06
�	[ 40 ] � �	Reply liaison statement to Working Party 4C (copy to Working Party 3M) - Information for studies on WRC-23 agenda item 9.1, topic b) � �	WP 5A �	AI9.1B) �	2020-10-08
�	[ 39 ] � �	Liaison statement to Working Parties 3M, 4A, 4C and 7B - WRC-23 agenda item 1.6 - Facilitation of radiocommunication for sub-orbital vehicles � �	WP 5B �	AI1.6 �	2020-08-05
�	[ 38 ] � �	Liaison statement to Working Party 4C - WRC-23 agenda item 1.11 - Introduction of additional satellite systems into the Global Maritime Distress Safety System (GMDSS) � �	WP 5B �	AI1.11 �	2020-08-05
�	[ 37 ] � �	Reply liaison statement to Working Party 4C WRC-23 agenda item 1.18 - Characteristics of radiodetermination systems operating in or adjacent to the frequency bands 1 695-1 710 MHz, 2 010-2 025 MHz, 3 300-3 315 MHz and 3 385-3 400 MHz � �	WP 5B �	AI1.18 �	2020-08-05
�	[ 36 ] � �	Liaison statement to Working Parties 4C, 7B, 3M and 3L - WRC-23 agenda item 1.7 - Consideration of a new aeronautical mobile-satellite (R) service allocation in the frequency band 117.975-137 MHz � �	WP 5B �	AI1.7 �	2020-08-05
�	[ 35 ] � �	Liaison statement to Radiocommunication Study Groups and Working Parties (copy for information to ITU-T and ITU-D Study Groups) � �	Chairman, CCV �	�	2020-07-14
�	[ 34 ] � �	Reply liaison statement on work being carried out in ITU-T SG5 on human exposure to EMF from ICTS (reply to ITU-D Q7/2 -SG2RGQ/200) � �	ITU-T SG 5 �	�	2020-07-13
�	[ 33 ] � �	Outcome of the sixteenth meeting of the Chairmen and Vice-Chairmen of the Radiocommunication Study Groups, Working Parties and other Subordinate Groups � �	Director, BR �	�	2020-06-25
�	[ 32 ] � �	Liaison statement to Working Parties 4C, 5A, 5B, 5C, 7B and 7C (copy for information to Working Party 3M) - WRC-23 agenda item 1.16 � �	WP 4A �	AI1.16 �	2020-06-10
�	[ 31 ] � �	Liaison statement to Working Parties 4B, 4C, 5A, 5B, 5C, 7B and 7C (copy for information to Working Party 3M) - WRC-23 agenda item 1.17 � �	WP 4A �	AI1.17 �	2020-06-10
�	[ 30 ] � +Ann.1-3�	Report on the meeting of Working Party 4C (28 - 29 May 2020) (Virtual Meeting) � �	Chairman, WP 4C �	�	2020-06-02
�	[ 29 ] � �	Final list of participants - Working Party 4C (E-meeting, 28-29 May 2020) � �	Director, BR �	�	2020-06-01
�	[ 28 ] � �	List of documents issued (Documents 4C/1 - 4C/28) � �	BR Study Groups Department �	�	2020-05-25
�	[ 27 ] � �	Proposal for the reply liaison statement to Working Party 5D - Co-existence studies between terrestrial IMT and satellite IMT in the frequency bands 1 980-2 010 MHz and 2 170-2 200 MHz � �	Japan �	�	2020-05-21
�	[ 26 ] � �	Provisional work plan of ITU-R Working Party 4C on WRC-23 agenda item 1.18 � �	Canada �	AI1.18 �	2020-05-21
�	[ 25 ] � �	Proposed liaison statement to Working Party 5A on WRC-23 agenda item 9.1 - Information for studies on WRC-23 agenda item 9.1, topic b) � �	France , Italy , Switzerland (Confederation of) �	AI9.1 �	2020-05-21
�	[ 24 ] � �	Proposals for working document towards a preliminary draft new Recommendation ITU-R M.[REC.MSS. & IMT L-BAND COMPATIBILITY] � �	GSMA �	�	2020-05-21
�	[ 23 ] � �	Proposed working document for sharing and compatibility studies of MSS systems in response to WRC-23 agenda item 1.18 � �	China (People's Republic of) �	AI1.18 �	2020-05-21
�	[ 22 ] � �	Proposed liaison statement to Working Party 5D on the applicability of the limit specified in RR No. 21.5 � �	France �	�	2020-05-20
�	[ 21 ] � �	Proposed reply liaison statement to Working Party 5D on agenda items 1.2 and 1.4 and Working Party 7C on agenda item 1.14 � �	France �	AI1.4, AI1.2, AI1.14 �	2020-09-08
�	[ 20 ] � �	Liaison statement to Working Parties 4A, 4B, 7B, 7C, 5A, 5B, 5C, 5D and 3M requesting characteristics for use in sharing studies under WRC-23 agenda item 1.18 � �	France �	AI1.18 �	2020-05-20
�	[ 19 ] � �	Proposed schedule for Working Party 4C Correspondence Groups on WRC-23 agenda items 1.11, 1.18, 9.1, topic b) - 2.6 GHz and GHz MSS/IMT and 1.5 GHz MSS/IMT � �	Chairman, WP 4C �	AI9.1, AI1.18, AI1.11 �	2020-05-19
�	[ 18 ] � �	Draft liaison statement to Working Parties 5A and 3M - Information request for studies on WRC-23 agenda item 9.1, topic b) � �	Russian Federation �	AI9.1 �	2020-09-08
�	[ 17 ] � �	Preliminary position on WRC-23 agenda � �	World Meteorological Organization �	�	2020-05-13
�	[ 16 ] � �	Ensuring co-existence between MSS and IMT in the L-band � �	Samoa (Independent State of) �	�	2020-05-08
�	[ 15 ] � (Rev.1)�	Proposed establishment of Correspondence Groups to progress some specific/urgent works within the purview of Working Party 4C � �	Chairman, WP 4C �	�	2020-05-11
�	[ 14 ] � �	Contribution to Working Parties 4A, 4B and 4C on relevant agenda items of WRC-23 � �	Iran (Islamic Republic of) �	�	2020-05-06
�	[ 13 ] � (Rev.1)�	Proposed draft liaison statement to contributing Working Parties regarding WRC-23 agenda item 1.18 � �	Chairman, WP 4C �	AI1.18 �	2020-05-01
�	[ 12 ] � �	Liaison statement to Working Parties 4A, 4C, 5A, 5B, 5C (copy to Working Parties 3J and 3M for information) - Request system characteristics of primary services to be used for sharing and compatibility studies in the frequency range 231.5-252 GHz and adjacent bands � �	WP 7C �	AI1.14 �	2020-04-30
�	[ 11 ] � �	Liaison statement to Working Party 4C - Adjacent band compatibility studies of IMT systems in the mobile service in the band below 1 518 MHz with respect to systems in the mobile-satellite service in the frequency band 1 518-1 525 MHz � �	WP 5D �	�	2020-03-06
�	[ 10 ] � �	Liaison statement to Working Parties 3K and 3M (for information to Working Parties 1B, 3J, 4A, 4B, 4C, 5A, 5B, 5C, 7B, 7C and 7D) - Preparations for WRC-23 agenda items 1.1 and 1.2 � �	WP 5D �	AI1.2, AI1.1 �	2020-03-06
�	[ 9 ] � �	Liaison statement to ITU-R Working Parties 4A, 4B, 4C, 5A, 5B, 5C, 7B and 7C - Preparations for WRC-23 agenda item 1.2 � �	WP 5D �	AI1.2 �	2020-03-06
�	[ 8 ] � �	Liaison statement to Working Parties 4A, 4C, 5A, 5B, 5C, 6A, 7B, 7C, and 7D - Information for studies on WRC-23 agenda item 1.4 � �	WP 5D �	AI1.4 �	2020-03-06
�	[ 7 ] � �	Liaison statement to Working Party 4C - Status of coexistence and compatibility study between the terrestrial component and the satellite component of IMT in the frequency bands 1 980-2 010 MHz and 2 170-2 200 MHz in different countries � �	WP 5D �	�	2020-03-06
�	[ 6 ] � �	Liaison statement to Working Party 4C (copy to Working Parties 5A and 5C for information) - Sharing and coexistence studies between the mobile-satellite service and terrestrial IMT systems in the 2 655-2 690 MHz frequency band in certain countries of Region 3 � �	WP 5D �	�	2020-03-06
�	[ 5 ] � �	Liaison statement to ITU-R Working Party 5D (copy for information to Working Party 4C) - Adjacent band compatibility studies of IMT-Advanced systems in the mobile service in the band below 1 518 MHz with respect to MSS systems operating in 1 518-1 559 MHz � �	International Civil Aviation Organization �	�	2020-03-02
�	[ 4 ] � �	Report of the fifteenth meeting of the joint IMO/ITU Experts Group on maritime radiocommunication matters � �	International Maritime Organisation �	�	2020-02-27
�	[ 3 ] � �	Liaison statement to CEPT ECC (copy for information to ITU-R Working Parties 4C, 5B and 5D, ICS and IMSO) - Protection of L-band maritime satellite communications � �	International Maritime Organisation �	�	2020-02-27
�	[ 2 ] � �	Liaison statement to Working Parties 5A and 5C and for information to Working Parties 4C, 5B and 5D - Resolution ITU-R 59-2 and related work within Working Party 6A � �	WP 6A �	�	2020-02-12
�	[ 1 ] � �	Documents to be carried over from the 2015-2019 study period � �	WP 4C �	�	2019-10-31
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