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Contributions��
�	Number�	Title	Source	AI/Question	Date
�	[ 154 ] � �	Proposed modifications to working document towards a preliminary draft revision of Recommendation ITU-R P.1409-1 - Propagation data and prediction methods for systems using high altitude platform stations and other elevated stations in the stratosphere at frequencies greater than about 1 GHz � �	Russian Federation �	�	2021-04-15
�	[ 153 ] � �	Reply liaison statement to Working Party 5D (copy to Working Parties 3K and 3M for information) - Draft new Recommendation ITU-R SA.[IMT-EESS/SRS COORDINATION] � �	WP 7B �	�	2021-04-15
�	[ 152 ] � �	Comparison of the propagation losses for short paths using ITU-R propagation model � �	ORANGE POLSKA S.A. �	�	2021-04-15
�	[ 151 ] � �	This number is not used � �	N/A �	�	2021-04-20
�	[ 150 ] � �	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
�	[ 149 ] � �	Activity Report of Correspondence Group 3K-3M-18 - Common issues relating to Recommendations ITU-R P.1812 and ITU-R P.452 � �	CG 3K-3M-18 �	�	2021-04-13
�	[ 148 ] � �	Proposed draft reply liaison statement to Working Party 5B - WRC-23 agenda item 1.10 - Possible new allocations to the aeronautical mobile service for the use of non-safety applications � �	United States of America �	AI1.10 �	2021-04-12
�	[ 147 ] � �	Report on the activities of Correspondence Group 3J-3K-3M-14 - Issues Relating to the HAPS Propagation Model � �	Chairman, 3J-3K-3M-14 �	�	2021-04-12
�	[ 146 ] � �	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
�	[ 145 ] � �	Liaison statement to Working Party 5D (copy to Working Parties 3K, 3L, 3M, 5A, and 5B) - WRC-23 agenda item 1.4 � �	WP 6A �	AI1.4 �	2021-04-07
�	[ 144 ] � �	Liaison statement to Working Party 5B (copy to Working Parties 3L and 3M) - WRC-23 agenda item 1.9 � �	WP 6A �	AI1.9 �	2021-04-07
�	[ 143 ] � �	Activity Report of Correspondence Group 3K-3M-9 - Air-to-Ground Propagation � �	CG 3K-3M-9 �	�	2021-03-30
�	[ 142 ] � �	Activity Report of Correspondence Group 3M-4 - Software products, digital maps and reference numerical data products � �	CG 3M-4 �	�	2021-03-29
�	[ 141 ] � �	Correspondence Group 3K-3M-12 Activity Report � �	Rapporteur, CG 3K-3M-12 �	�	2021-03-29
�	[ 140 ] � �	Report on activities of the Correspondence Group - Building Entry Loss � �	Chairman, CG 3J-3K-3M-8 �	�	2021-03-29
�	[ 139 ] � �	Liaison statement to Working Party 7C (copy to Working Party 3M for information) - WRC-23 agenda item 1.15 � �	WP 4A �	AI1.15 �	2021-03-16
�	[ 138 ] � �	Liaison statement to Working Party 3M - Recommendation ITU-R P.618 � �	WP 4A �	�	2021-03-16
�	[ 137 ] � �	Reply liaison statement to Working Party 5C (copy to Working Party 3M for information) - WRC-23 agenda item 1.15 � �	WP 4A �	AI1.15 �	2021-03-16
�	[ 136 ] � �	Reply liaison statement from Working Party 5D to Task Group 6/1 (copy to ITU-R Working Parties 3K, 3M, 5A, 5B, 5C, 6A, 7D) - Preparations of WRC-23 agenda item 1.5 Information on spectrum use and spectrum needs of existing services including IMT within the frequency band 470-960 MHz in Region 1 � �	WP 5D �	AI1.5 �	2021-03-16
�	[ 135 ] � �	Reply liaison statement from Working Party 5D to Task Group 6/1 (copy to Working Parties 3K, 3M, 5A, 5B, 5C, 6A, 7D) - Preparations for WRC-23 agenda item 1.5 - Information for sharing and compatibility studies � �	WP 5D �	AI1.5 �	2021-03-16
�	[ 134 ] � �	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
�	[ 133 ] � �	Liaison statement to Working Party 5A (copy to Working Party 3M for information) - Information for studies on WRC-23 agenda item 9.1, topic b) - Applications and typical operational characteristics of the amateur and amateur-satellite services operating in the frequency band 1 240-1 300 MHz � �	WP 4C �	AI9.1B) �	2021-03-12
�	[ 132 ] � �	Proposed draft reply liaison statement to Working Party 1A regarding working document towards a preliminary draft revision of Report ITU-R SM.2352-0 (copied to working Parties 3K and 3M for information) � �	Chairman, WP 3J �	Q237/1 �	2021-02-15
�	[ 131 ] � �	Rain attenuation prediction for non-geostationary satellites � �	Malaysia �	�	2021-01-08
�	[ 130 ] � �	Liaison statement to Working Parties 3J, 3K and 3M - Working document towards a preliminary draft revision of Report ITU-R SM. 2352-0 � �	WP 1A �	Q237/1 �	2020-12-14
�	[ 129 ] � �	Liaison statement to Working Parties 4C and 3M - Update on work towards WRC-23 agenda item 9.1, topic b) � �	WP 5A �	AI9.1 B) �	2020-12-04
�	[ 128 ] � �	Liaison statement to Working Party 4C (copy to Working Party 3M for information) - Information for studies on WRC-23 agenda item 9.1, topic b) - Applications and typical operational characteristics of the amateur and amateur-satellite services operating in the frequency band 1 240-1 300 MHz � �	WP 5A �	AI9.1 B) �	2020-12-02
�	[ 127 ] � �	Liaison statement to Working Parties 3J, 3K, and 3M - Use of the 252-296 GHz frequency band by the land-mobile service applications � �	WP 5A �	Q256/5 �	2020-12-01
�	[ 126 ] � �	Reply liaison statement to Working Party 5B (copy to Working Parties 3K, 3M, 4A, 5A, 7C, and 7D for information) - WRC-23 agenda item 1.10 � �	WP 5C �	AI1.10 �	2020-11-27
�	[ 125 ] � �	Liaison statement to Working Party 4A (copy for information to Working Parties 3M, 5A, and 5B) - WRC-agenda item 1.15 - Studies on use of the frequency band 12.75-13.25 GHz (Earth-to-space) by earth stations on aircraft and vessels communicating with geostationary space stations in the fixed-satellite service � �	WP 5C �	AI1.15 �	2020-11-27
�	[ 124 ] � �	Reply liaison statement to Working Party 3M (copy to Working Parties 3K, 4A, 5A, 5C, 7C and 7D for information) - WRC-23 agenda item 1.10 - Possible new allocations to the aeronautical mobile service for the use of non-safety applications � �	WP 5B �	AI1.10 �	2020-11-23
�	[ 123 ] � �	Reply liaison statement to Working Party 7C (copy to Working Parties 1B, 3J, 3K, 3L, 3M, 4A, 4C, 5A, 5B, 5D, 6A, and 7D for information) - WRC-23 agenda item 9.1, topic a) � �	WP 5C �	AI9.1 A) �	2020-11-20
�	[ 122 ] � �	Reply liaison statement to Working Party 3L (copied to Working Parties 3M, 4C and 7B for information) - Propagation considerations of a new aeronautical mobile-satellite (R) service allocation in the frequency band 117.975-137 MHz � �	WP 5B �	AI1.7 �	2020-11-20
�	[ 121 ] � �	Liaison statement to Working Party 7C (copy to Working Parties 1A, 3J, 3K, 3M and 5A for information) - Mitigation techniques and specific conditions to be applied to the fixed service applications in the frequency bands 296-306 GHz, 313-318 GHz and 333-356 GHz, to ensure the protection of Earth exploration-satellite service (passive) applications in accordance with RR No. 5.564A � �	WP 5C �	�	2020-11-20
�	[ 120 ] � �	Liaison statement to Working Party 7C (copy to Working Parties 1A, 3J, 3K, 3M and 5C for information) - Assessment of mitigation techniques and specific conditions to be applied to the land-mobile service applications in the frequency bands 296-306 GHz, 313-318 GHz and 333 356 GHz, to ensure the protection of Earth exploration-satellite service (passive) applications... � �	WP 5A �	�	2020-11-20
�	[ 119 ] � �	Reply liaison statement to Working Parties 4B and 5A (copy for information to Working Party 3M) - WRC-23 agenda item 1.17 � �	WP 4A �	AI1.17 �	2020-11-09
�	[ 118 ] � �	Reply liaison statement to Working Party 5B (copy to Working Party 3M for information) - WRC-23 agenda item 1.15 � �	WP 4A �	AI1.15 �	2020-11-09
�	[ 117 ] � �	Reply liaison statement to Working Party 5A (copy to Working Party 3M for information) - WRC-23 agenda item 1.15 � �	WP 4A �	AI1.15 �	2020-11-09
�	[ 116 ] � �	Reply liaison statement to Working Party 5C (copy to Working Parties 3M, 4C, 5A, 5B, 7B, and 7C for information) - WRC-23 agenda item 1.16 � �	WP 4A �	AI1.16 �	2020-11-06
�	[ 115 ] � �	Reply liaison statement to Working Party 5C (copy to Working Party 3M for information) - WRC-23 agenda item 1.15 � �	WP 4A �	AI1.15 �	2020-11-06
�	[ 114 ] � �	Reply liaison statement to Working Party 5C (copy for information to Working Parties 3M, 5A, 5B and 7B) - WRC-23 agenda item 1.19 � �	WP 4A �	AI1.19 �	2020-11-06
�	[ 113 ] � �	Liaison statement to Working Party 3M - WRC-23 agenda item 1.18 � �	WP 4C �	AI1.18 �	2020-11-03
�	[ 112 ] � �	Liaison statement to Working Party 3M on WRC-23 agenda item 9.1 (copy to Working Party 5A for information) - Information for studies on WRC-23 agenda item 9.1, topic b) � �	WP 4C �	AI9.1 B) �	2020-11-03
�	[ 111 ] � �	Liaison statement to Working Party 5B (Copy for information to Working Parties 3M, 4A and 7B) - Information for studies on WRC-23 agenda item 1.6 � �	WP 4C �	AI1.6 �	2020-10-28
�	[ 110 ] � �	Reply liaison statement to Working Party 5B (copy to Working Parties 4A, 4B, 5A, 7D and 3M for information) - WRC-23 agenda item 1.8 - Technical and operational characteristics and protection of the fixed service � �	WP 5C �	AI1.8 �	2020-11-20
�	[ 109 ] � �	Reply liaisons statement to Working Parties 3K and 3M (copy for information to Working Parties 5A, 5B, 5C, 5D, 6A and 7D) - Issues related to propagation for sharing studies in Task Group 6/1 � �	TG 6/1 �	AI1.5 �	2020-10-26
�	[ 108 ] � �	Liaison statement from Task Group 6/1 to contributing Working Parties 5A, 5B, 5C, 5D, 6A and 7D (copy to Working Parties 3K and 3M for information) - Preparations for WRC-23 agenda item 1.5 - Information for sharing and compatibility studies � �	TG 6/1 �	AI1.5 �	2020-10-26
�	[ 107 ] � �	Liaison statement to Working Parties 3J, 3K and 3M - WRC-23 agenda item 1.4 � �	WP 5D �	AI1.4 �	2020-10-27
�	[ 106 ] � �	Reply liaison statement to ITU-R Working Parties 3K and 3M (copy to Working Parties 1B, 3J, 4A, 4B, 4C, 5A, 5B, 5C, 7B, 7C, and 7D for information) - Preparations for WRC-23 agenda items 1.1 and 1.2 � �	WP 5D �	AI1.2, AI1.1 �	2020-10-21
�	[ 105 ] � �	Liaison statement to Working Party 5D (copy to Working Parties 3K, 3L, 3M, 5A, and 5B) - WRC-23 agenda item 1.4 � �	WP 6A �	AI1.4 �	2020-10-19
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