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Propagation Fundamentals

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Contributions��
�	Number�	Title	Source	AI/Question	Date
�	[ 203 ] � �	Submission of rain statistics for DBSG3 � �	United Kingdom of Great Britain and Northern Ireland �	�	2022-05-23
�	[ 202 ] � �	Proposed revision to Recommendation ITU-R P.2109-1 - Prediction of building entry loss � �	Japan �	�	2022-05-23
�	[ 201 ] � �	Proposed revision of Recommendation ITU-R P.2108-1 based on Annex 6 to Document 3K/178 - Prediction of clutter loss � �	Japan �	�	2022-05-23
�	[ 200 ] � �	Proposed revision of Recommendation ITU-R P.1409-2 - 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 � �	Japan �	�	2022-05-23
�	[ 199 ] � �	Characterization of the melting layer using an MRR-2 radar � �	Spain �	�	2022-05-23
�	[ 198 ] � �	Draft of a proposed revision to Recommendation ITU-R P.838-3 - New Annex on the variability of rain specific attenuation at 80-200 GHz � �	Spain �	�	2022-05-23
�	[ 197 ] � �	Height of the 0� isotherm: Variability and comparison of estimations from radiosondes and ERAS � �	Spain �	�	2022-05-23
�	[ 196 ] � �	Correspondence Group 3J-3M-13 validation examples � �	CG 3J-3M-13 �	�	2022-05-20
�	[ 195 ] � �	Proposed revision of Recommendation ITU-R P.525-4 - Calculation of free-space attenuation � �	Russian Federation �	�	2022-05-19
�	[ 194 ] � �	Proposal on slant path atmospheric attenuation � �	Russian Federation �	�	2022-05-19
�	[ 193 ] � (Rev.1)�	Proposed revision of Recommendation ITU-R P.2040-2 - Additional construction material electrical property data � �	Korea (Republic of) �	�	2022-05-17
�	[ 192 ] � �	Proposed revision to Recommendation ITU-R P.838-3 - Attenuation model proposal for rain at 240-300 GHz � �	Korea (Republic of) �	�	2022-05-17
�	[ 191 ] � �	Proposed revision to Recommendation ITU-R P.2040-2 - The measurement and proposal of electrical properties of building materials from 220 to 330 GHz � �	Korea (Republic of) �	�	2022-05-17
�	[ 190 ] � �	Submission of rain attenuation statistics at 240, 270 and 300 GHz for DBSG-3 Table I-1 � �	Korea (Republic of) �	�	2022-05-17
�	[ 189 ] � �	Discussion document on diffuse scattering model of random rough surface � �	Korea (Republic of) �	�	2022-05-17
�	[ 188 ] � �	Discussion document on measurements for building shadowing loss of the office building at 3 and 7GHz � �	Korea (Republic of) �	�	2022-05-17
�	[ 187 ] � �	Building entry loss measurements at 47 and 65 MHz � �	Korea (Republic of) �	�	2022-05-17
�	[ 186 ] � �	Proposed revision to Recommendation ITU-R P.2109-1: Addition of a new building type to the building entry loss model � �	Korea (Republic of) �	�	2022-05-17
�	[ 185 ] � �	Proposed to revision Recommendation ITU-R P.2040-2 - The measurement of electrical properties of interior building material in the frequency range 220 GHz to 450 GHz � �	Korea (Republic of) �	�	2022-05-17
�	[ 184 ] � �	Proposed revision to Recommendation ITU-R P.2108-1 - Clutter effect measurements in a mixture environment of buildings and vegetation, and empirical model proposal at 2-10 GHz � �	Korea (Republic of) �	�	2022-05-17
�	[ 183 ] � �	Proposed revision to Recommendation ITU-R P.833-10 - Statistical foliage effect measurements in various irregular shapes of broadleaf trees and empirical model proposal at 2-10 GHz � �	Korea (Republic of) �	�	2022-05-17
�	[ 182 ] � �	Correspondence Group 3J-17 activity Report � �	CG 3J-17 �	�	2022-05-18
�	[ 181 ] � �	Contributions to the propagation databanks: Path length turbulence statistics for goldstone, CA (Apollo site), Canberra, Australia, Madrid, Spain; and Kennedy Space Center, Florida � �	United States of America �	�	2022-05-13
�	[ 180 ] � �	Preliminary draft revision of Recommendation ITU-R P.368-9 - Ground-wave propagation prediction method for frequencies between 10 kHz and 30 MHz � �	United States of America �	�	2022-05-13
�	[ 179 ] � �	Preliminary draft revision of Recommendation ITU-R P.526-15 - Propagation by diffraction � �	United States of America �	�	2022-05-13
�	[ 178 ] � �	Draft revision of Recommendation ITU-R P.834-9 - Effects of tropospheric refraction on radiowave propagation � �	United States of America �	Q201/3 �	2022-05-13
�	[ 177 ] � �	Working document toward a preliminary draft new Question ITU-R [LUNAR_PERMITTIVITY]/3 - Lunar complex relative permittivity prediction models � �	United States of America �	�	2022-05-13
�	[ 176 ] � �	Role of machine learning in ITU-R Study Group 3 - Question ITU-R [XX]/3 � �	European Space Agency �	�	2022-05-16
�	[ 175 ] � �	Report on the activities of Correspondence Group 3J-3K-3M-14 - Issues relating to the HAPS propagation model � �	CG 3J-3K-3M-14 �	�	2022-05-16
�	[ 174 ] � �	Draft revision to Recommendation ITU-R P.2040-2 - Plane wave reflection and transmission for a multi-layer slab � �	United States of America �	�	2022-05-13
�	[ 173 ] � �	Report on activities of the Correspondence Group - Building entry loss � �	CG 3J-3K-3M-8 �	�	2022-05-16
�	[ 172 ] � �	Preliminary draft revision of ITU-R P.310-10 - Definitions of terms relating to propagation in non-ionized media � �	United States of America �	�	2022-05-13
�	[ 171 ] � �	Draft revision to ITU-R P. 2040-2 - complex relative permittivity of building materials � �	United States of America �	�	2022-05-13
�	[ 170 ] � �	Liaison statement to Working Party 3J - Computational Observations on Recommendation ITU-R P.676-12 � �	WP 7C �	�	2022-05-09
�	[ 169 ] � �	Reply liaison statement to Working Party 3J - Earth surface bistatic scattering coefficient prediction � �	WP 7C �	�	2022-05-06
�	[ 168 ] � �	Liaison statement to Working Parties 4A, 4C, 5A, 5B, 5C, and 7D (copy to Working Parties 3J and 3M for information) - WRC-23 agenda item 1.14 � �	WP 7C �	AI1.14 �	2022-05-06
�	[ 167 ] � �	Report on activities during June 2021 to April 2022 � �	CG 3J-11 �	�	2022-05-03
�	[ 166 ] � �	Preliminary draft revision of Recommendation ITU-R P.835-6 Annex 2 � �	CG 3J-11 �	�	2022-05-02
�	[ 165 ] � (Rev.1)�	Preliminary draft revision of Recommendation ITU-R P.835-6 � �	CG 3J-11 �	�	2022-05-02
�	[ 164 ] � �	Additional analyses for a working document towards a preliminary draft revision to Annex 3 of Recommendation ITU-R P.835-6 � �	CG 3J-11 �	�	2022-05-02
�	[ 163 ] � �	Preliminary draft revision to Fascicle 3J/FAS/5 - Instantaneous and statistical path prediction methods for the slant path gaseous attenuation in Annex 2 of Recommendation ITU-R P.676-13 and associated digital maps in Recommendation ITU-R [P.676 MAPS] � �	CG 3J-1 �	�	2022-04-22
�	[ 162 ] � �	Activity Report of Correspondence Group 3J-1 gaseous attenuation � �	Chairman, CG 3J-1 �	�	2022-04-21
�	[ 161 ] � �	Preliminary draft new Recommendation ITU-R P.[P676 MAPS] - Digital maps related to the calculation of gaseous attenuation and related effects � �	CG 3J-1 �	�	2022-04-21
�	[ 160 ] � �	Preliminary draft revision of Recommendation ITU-R P.676-12 - Attenuation by atmospheric gases and related effects � �	CG 3J-1 �	�	2022-04-21
�	[ 159 ] � �	Adding symbol to the ninth ITU Radio Regulations band and revising Recommendation ITU-R V.431-8 - Nomenclature: Number 12, THF 300 to 3 000 GHz, Decimillimetric waves � �	ATDI �	Q228/3 �	2022-04-06
�	[ 158 ] � �	Working document towards a preliminary draft revision to Recommendation ITU-R P.839-4 - Rain height model for prediction methods � �	France �	�	2022-03-21
�	[ 157 ] � �	Working document towards a preliminary draft revision to Recommendation ITU-R P.678-3 - Characterization of the variability of propagation phenomena and estimation of the risk associated with propagation margin � �	France �	�	2022-03-21
�	[ 156 ] � �	Preliminary draft revision to Recommendation ITU-R P.1057-6 - Probability distributions relevant to radiowave propagation modelling � �	France �	�	2022-03-22
�	[ 155 ] � �	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 �	2022-03-04
�	[ 154 ] � �	Note to the Chairman of Working Party 5D (copy to Chairmen of Working Parties 3J, 3K, 3M, 4A, 4C, 5A, 5B, 5C, 6A, 7B, 7C and 7D for information) - WRC-23 agenda item 1.4 - Propagation information requested from Working Party 5D � �	CG 3J-3K-3M-14 �	AI1.4 �	2022-01-31
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