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Contributions��
�	Number�	Title	Source	AI/Question	Date
�	[ 283 ] � �	Liaison statement to Working Parties 3J, 3K, 3M, 4A, 4C, 5A, 5B, 5C, 6A, 7B, 7C and 7D - WRC-23 agenda item 1.4 � �	WP 5D �	AI1.4 �	2021-06-18
�	[ 282 ] � +Ann.1-4�	Report of activities of the Correspondence Group on WRC-23 agenda item 7 to Working Party 4A � �	Chairman, CG on WRC-23 a.i. 7 �	AI7 �	2021-06-17
�	[ 281 ] � �	Statistics on Resolution 40 (Rev.WRC-19) � �	Director, BR �	�	2021-06-15
�	[ 280 ] � �	Report of activities of the Correspondence Group on WRC-23 agenda item 1.19 to Working Party 4A � �	Chairman, CG on WRC-23 a.i. 1.19 �	AI1.19 �	2021-06-11
�	[ 279 ] � �	Liaison statement to Working Party 3M, 4A, 4C, 7B and 7D - WRC-23 agenda item 1.6 � �	WP 5B �	AI1.6 �	2021-06-09
�	[ 278 ] � �	Liaison statement to Working Parties 3K and 3M (coy for information to Working Parties 4A, 5A, 5C, 7C and 7D) - WRC-23 agenda item 1.10 - Possible new allocations to the Aeronautical Mobile Service (AMS) for the use of non-safety applications � �	WP 5B �	AI1.10 �	2021-06-09
�	[ 277 ] � �	Report of activities of the Correspondence Group on WRC-23 agenda item 1.16 to the Working Party 4A meeting of 14-28 July 2021 � �	Chairman, CG #2 on WRC-23 a.i. 1.16 �	AI1.16 �	2021-06-09
�	[ 276 ] � �	Liaison statement on work related to environment energy efficiency and the circular economy and new areas of study � �	ITU-T SG 5 �	�	2021-06-02
�	[ 275 ] � �	Proposed amendments to draft new Resolution [AI1.16] (WRC-23) � �	Luxembourg �	AI1.16 �	2021-05-26
�	[ 274 ] � �	Liaison statement on work being carried out under study in ITU-T Q3/5 � �	ITU-T SG 5 �	�	2021-05-24
�	[ 273 ] � �	Liaison statement to ITU-R Study Groups 4 and 6 - Broadcasting term "Quasi Error Free" (QEF) in the ITU Terminology Database � �	CCT �	�	2021-05-19
�	[ 272 ] � �	Statistics of the orbital occupancy of the GSO ARCS in the frequency bands subject to RR Appendix 30B � �	Director, BR �	AI7E �	2021-05-17
�	[ 271 ] � �	Liaison statement to relevant parties - Proposed suppression of the Compendium of ITU's work on Emergency Telecommunications � �	WP 5A �	�	2021-05-17
�	[ 270 ] � �	Reply liaison statement to Working Party 4A - Mobile Service technical and operational characteristics and protection criteria for use in sharing studies under WRC-23 agenda items 1.16 and 1.17 � �	WP 5A �	AI1.17, AI1.16 �	2021-05-14
�	[ 269 ] � �	Reply liaison statement to Working Party 4A - Additional information for studies on WRC-23 agenda item 1.19 � �	WP 5A �	AI1.19 �	2021-05-14
�	[ 268 ] � �	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 �	2021-05-13
�	[ 267 ] � �	Reply liaison statement to Working Party 4A (copy to Working Parties 3M, 5A, 5B and 7B for information) - WRC-23 agenda item 1.19 - Characteristics and protection criteria for fixed service systems operating in the frequency band 17.7-19.7 GHz � �	WP 5C �	AI1.19 �	2021-05-13
�	[ 266 ] � �	Liaison statement to Working Parties 4A, 5B, 5C and 5D (copy for information to ITU-T FG-VM) - Intelligent Transport Systems � �	WP 5A �	�	2021-05-14
�	[ 265 ] � �	Reply liaison statement to Working Party 4A (copy for information to Working Parties 3M, 5A and 5B) - WRC-23 agenda item 1.15 - Additional characteristics for fixed service systems operating in the frequency band 12.75-13.25 GHz � �	WP 5C �	AI1.15 �	2021-05-13
�	[ 264 ] � �	Reply liaison statement to Working Party 4A (copy to Working Parties 3M, 4B, 4C, 5A, 5B and 7B for information) - WRC-23 agenda items 1.16 and 1.17 - Characteristics and protection criteria for fixed service systems operating in the frequency bands 17.7- 19.7 GHz and 27.5-29.5 GHz � �	WP 5C �	AI1.17, AI1.16 �	2021-05-13
�	[ 263 ] � �	Liaison statement to Working Parties 3J, 3K and 3M (copy for information to Working Parties 1A, 1C, 4A, 4C, 5A, 5B, 5C and 7D) - Propagation information related to studies under Resolution 731 (Rev.WRC-19) and other issues above 71 GHz � �	WP 7C �	�	2021-05-07
�	[ 262 ] � �	Reply liaison statement to Working Party 5B (copied for information to Working Parties 4A, 5A, 5C, 7C and 7D) - WRC-23 agenda item 1.10 - Possible new allocations to the aeronautical mobile service for the use of non-safety applications � �	WPs 3K and 3M �	AI1.10 �	2021-05-03
�	[ 261 ] � �	Reply liaison statement to Working Party 4A - WRC-23 agenda item 1.19 � �	WP 7C �	AI1.19 �	2021-04-27
�	[ 260 ] � �	Reply liaison statement to Working Party 4A - WRC-23 agenda item 1.15 � �	WP 7C �	AI1.15 �	2021-04-27
�	[ 259 ] � �	Liaison statement to CISPR (Subcommittees B and H) (copy for information to Study Group 1 and Working Parties 1A, 4A, 4B, 5A, 5B, 5C, 5D, 6A, 7B, 7C and 7D) - Update to Standard frequency and time signal services protection requirements in the CISPR radio services database � �	WP 7A �	�	2021-04-26
�	[ 258 ] � �	Liaison statement to Working Party 4A (copy to Working Parties 5A, 5C, and 5D for information) - WRC-23 agenda item 9.1, topic d) � �	WP 7C �	AI9.1D) �	2021-04-26
�	[ 257 ] � �	Liaison statement to Working Party 5D (copy to Working Parties 3K, 3M, 4A, 4B, 4C, 5A, 5B, 5C and 7B for information) - WRC-23 agenda item 1.2 - Additional information on EESS (passive) in 10.6-10.7 GHz � �	WP 7C �	AI1.2 �	2021-04-23
�	[ 256 ] � �	Liaison statement to Working Parties 4A, 4C, 5A, 5B, 5C, 7D (copy to Working Parties 3J and 3M for information) - WRC-23 agenda item 1.14: system characteristics of primary services to be used for sharing and compatibility studies in the frequency range 231.5-252 GHz � �	WP 7C �	AI1.14 �	2021-04-23
�	[ 255 ] � �	Liaison statement to Working Party 4A (copy to Working Parties 3M, 4C, 5A, 5B, 5C and 7B for information) - WRC-23 agenda item 1.16 � �	WP 7C �	AI1.16 �	2021-04-23
�	[ 254 ] � �	Liaison statement to Working Party 4A (copy for information to Working Parties 3M, 4B, 4C, 5A, 5B, 5C and 7B) - WRC-23 agenda item 1.17 � �	WP 7C �	AI1.17 �	2021-04-23
�	[ 253 ] � �	Reply liaison statement to Working Party 4A - Working document towards a revision of Report ITU-R SA.2307 - Protection of SRS and FSS systems sharing the 37.5-38 GHz band � �	WP 7B �	�	2021-04-15
�	[ 252 ] � �	Reply liaison statement to Working Party 5D (copy to Working Parties 3K, 3M, 4A, 4B, 4C, 5A, 5B, 5C, 7C and 7D for information) - Reply liaison statement to Working Party 5D concerning WRC-23 agenda item 1.2 � �	WP 7B �	AI1.2 �	2021-04-15
�	[ 251 ] � �	Liaison statement from ITU-D Study Group 2 Question 5/2 to ITU-T Study Groups, ITU-R Study Groups, UN and External Organization on the output Report on Q5/2 - ITU-D Study Group 2 Question 5/2: Utilizing telecommunications/ICTs for disaster risk reduction and management � �	ITU-D SG 2 �	�	2021-04-14
�	[ 250 ] � �	Reply liaison statement to Working Party 4A (copy to Working Parties 3M, 4B, 4C, 5A, 5B, 5C, and 7C for information) - Reply liaison statement to Working Party 4A concerning WRC-23 agenda item 1.17 � �	WP 7B �	AI1.17 �	2021-04-09
�	[ 249 ] � �	Preliminary position on WRC-23 agenda � �	World Meteorological Organization �	�	2021-03-17
�	[ 248 ] � �	Reply liaison statement to ITU-R Working Party 5B (copy for information to Working Party 4A) - Clarification on the draft ICAO position on WRC-23 agenda items 1.15, 1.16 and 1.17 � �	International Civil Aviation Organization �	AI1.17, AI1.16, AI1.15 �	2021-03-15
�	[ 247 ] � �	Liaison statement to Working Parties 3J, 3K, 3M, 4A, 4C, 5A, 5B, 5C, 6A, 7B, 7C and 7D - WRC-23 agenda item 1.4 � �	WP 5D �	AI1.4 �	2021-03-15
�	[ 246 ] � +Ann.1-43�	Report on the meeting of Working Party 4A (22 February - 3 March 2021) (Virtual Meeting) � �	Chairman, WP 4A �	�	2021-03-03
�	[ 245 ] � �	Final List of Participants - Working Party 4A (E-meeting, 22 February - 3 March 2021) � �	Director, BR �	�	2021-03-03
�	[ 244 ] � �	List of documents issued (Documents 4A/155 - 4A/244) � �	BR, Study Groups Department �	�	2021-02-22
�	[ 243 ] � �	Liaison statements to Working Party 4A informing on latest status/developments on various topics � �	Chairman, WP 4A �	�	2021-02-22
�	[ 242 ] � �	Liaison statements to Working Party 4A regarding WRC-23 agenda items for which Working Party 4A is a contributing group � �	Chairman, WP 4A �	�	2021-02-22
�	[ 241 ] � �	Liaison statement to Working Party 5B (copy to Working Party 4A) - UAS CNPC links in the 5 030 to 5 091 MHz band � �	WP 4C �	�	2021-02-19
�	[ 240 ] � �	Reply liaison statement to ITU-R Working Party 4A - Preparations for WRC-23 agenda items 1.16 and 1.17 � �	WP 4C �	AI1.17, AI1.16 �	2021-02-19
�	[ 239 ] � �	Working document on developing an ITU-R Small Satellite Handbook � �	Director, BR �	�	2021-02-18
�	[ 238 ] � �	Working document towards a preliminary draft revision to Recommendation ITU-R S.1503-3 - 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 � �	United Kingdom of Great Britain and Northern Ireland �	�	2021-02-15
�	[ 237 ] � �	Identification of potentially affected earth stations under RR No. 9.7B � �	Director, BR �	�	2021-02-16
�	[ 236 ] � �	Working document towards a preliminary draft new Report ITU-R S.[AGGREGATE NGSO-GSO INTERFERENCE] - Methodology for the evaluation of aggregate interference caused by all non-GSO FSS systems into GSO FSS, MSS and BSS networks in the 50/40 GHz bands � �	SES �	�	2021-02-15
�	[ 235 ] � �	Proposal for a new working document toward a preliminary draft new Recommendation ITU-R S.[AGG_EPFD + TERMS OF REFERENCE], methodology for examining aggregate EPFD from multiple non-GSO satellite systems in the KU, KA and Q/V bands and terms of reference � �	SES �	�	2021-02-15
�	[ 234 ] � �	Sharing studies for satellite to satellite transmissions in the frequency bands 11.7-12.7 GHz, 18.1-18.6 GHz, 18.8-20.2 GHz and 27.5-30 GHz � �	SES �	AI1.17 �	2021-02-15
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