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Propagation Fundamentals

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Contributions��
�	Number�	Title	Source	AI/Question	Date
�	[ 79 ] � �	Liaison statement to Working Party 5C (copy to Working Parties 3J, 3M, 4A, 4B, 4C, 5A, 5B, 7C and 7D) - WRC-27 agenda item 1.10 � �	WP 6A �	AI1.10 �	2024-11-19
�	[ 78 ] � �	Reply liaison statement to Working Parties 3J, 3K and 3M (copy to Working Parties 5A, 5B, 5C, 5D, 7C and 7D for information) - Information to support studies under WRC-27 agenda item 1.1 � �	WP 4A �	AI1.1 �	2024-11-07
�	[ 77 ] � �	Liaison statement to Working Party 5B (copy to Working Parties 3J, 3K, 3M, 4A, 4C, 5A, 5C and 7D for information) - Additional information on passive sensors in the EESS for WRC-27 agenda item 1.8 � �	WP 7C �	AI1.8 �	2024-10-01
�	[ 76 ] � �	Reply liaison statement to ITU-R Working Party 3J (copied for information to Working Parties 4A, 4C, 5A, 5B, 5C, 5D, 7A, 7C and 7D) - Response to Working Party 3J questions related to WRC-27 agenda item 1.15 � �	WP 7B �	AI1.15 �	2024-09-30
�	[ 75 ] � �	Liaison statement to Working Parties 3J, 4A, 4C, 5A, 5B, 5C, 5D, 7A, 7C and 7D - Report on progress of activities relating to WRC-27 agenda item 1.15 � �	WP 7B �	AI1.15 �	2024-09-30
�	[ 74 ] � �	Reply liaison statement to Working Party 5B (copy to Working Parties 3J, 3K, 3M, 4A, 4C, 5A, 5C,and 7C for information) - Relevant technical information to support studies in preparation of WRC-27 agenda item 1.8 � �	WP 7D �	AI1.8 �	2024-09-27
�	[ 73 ] � �	Reply liaison statement to Working Parties 3J, 3K and 3M - Relevant technical information to support studies in preparation of WRC-27 agenda items � �	WP 7D �	AI1.8, AI1.7, AI1.3, AI1.18, AI1.17, AI1.16, AI1.15, AI1.11, AI1.10, AI1.1 �	2024-09-27
�	[ 72 ] � �	Determination and mitigation of electromagnetic compatibility issues for IMT (5G) network under tropospheric duct effect � �	ATDI �	�	2024-09-21
�	[ 71 ] � �	Reply liaison statement to Working Party 7B (copy to Working Parties 3J, 4A, 4C, 5A, 5B, 5C, 5D, 7C and 7D for information) - Information on the standard frequency and time signal service with regards to WRC-27 agenda item 1.15 on lunar communications � �	WP 7A �	AI1.15 �	2024-09-23
�	[ 70 ] � �	Information on the preparation of texts for the draft CPM Report to WRC-27 � �	Chair, CPM-27 �	�	2024-07-09
�	[ 69 ] � �	Reply liaison statement to ITU-T Study Group 5 (copy to ITU-R Working Parties 1C, 3J, 3K and 3M) - Considerations on draft Recommendation ITU-T K.DMEI of ITU-T SG5 � �	WP 5D �	�	2024-07-05
�	[ 68 ] � �	Liaison statement on draft Recommendation ITU-T K.DMEI -Determination and mitigation of electromagnetic compatibility issues for 5G TDD network under tropospheric duct effect � �	ITU-T SG5 �	�	2024-06-18
�	[ 67 ] � +Ann.1-40�	Report on the meeting of Working Party 3J (Denver, Colorado, USA, 29 May - 7 June 2024) � �	Chair, WP 3J �	�	2024-06-08
�	[ 66 ] � �	Final list of participants WP 3J (Denver, Colorado, USA, 29 May - 7 June 2024) � �	Director, BR �	�	2024-06-08
�	[ 65 ] � �	List of documents issued (Documents 3J/1 - 3J/65) � �	WP 3J �	�	2024-06-01
�	[ 64 ] � �	Reply liaison statement to Working Party 7B (copy to Working Parties 1B, 3J, 4A, 4C, 5A, 5B, 5D, 7A, 7C and 7D for information) - Fixed service characteristics for use in sharing studies under WRC-27 agenda item 1.15 � �	WP 5C �	AI1.15 �	2024-05-29
�	[ 63 ] � �	Reply liaison statement to Working Party 7C (copy to Working Parties 3J, 3M, 4A, 4C, 5A and 5B for information) - Relevant technical information to support studies under WRC-27 agenda item 1.18 and update on supporting materials � �	WP 5C �	AI1.18 �	2024-05-29
�	[ 62 ] � �	Liaison statement to Working parties 4A, 4C, 5A, 5B, 3J and 3M (copy to Working Parties 1A, 4B, 6A, 7C and 7D for information) - Studies under WRC-27 agenda item 1.10 � �	WP 5C �	AI1.10 �	2024-05-29
�	[ 61 ] � �	Contribution to DBSG3 Table IV-1: Rain rate statistics in Cochabamba � �	Spain , France �	�	2024-05-17
�	[ 60 ] � �	Comparison between ERA5 cloud parameters and simultaneous experimental rainfall rate in Madrid � �	Spain �	�	2024-05-17
�	[ 59 ] � �	Rain attenuation at millimetre waves and its variability caused by the shape of the drop size distribution � �	Spain �	�	2024-05-17
�	[ 58 ] � �	Proposed revision to Report ITU-R P.2346-5 - Outdoor-to-indoor propagation loss model on a NLoS path based on building entry loss (BEL) and clutter loss (CL) model � �	Korea (Rep. of) �	�	2024-05-17
�	[ 57 ] � �	Proposed revision to Report ITU-R P.2346-5 - Characteristics of window penetration loss (WinPL) and its impact on BEL � �	Korea (Rep. of) �	�	2024-05-17
�	[ 56 ] � �	Working document toward a preliminary draft new Question ITU-R [LUNAR_COMMNUNICATION]/3 - Relevant propagation characteristics and prediction method for lunar surface systems and lunar-orbiting systems � �	Korea (Rep. of) �	AI1.15 �	2024-05-17
�	[ 55 ] � �	Proposed reply liaison statement to Working Party 7D � �	South Africa �	AI1.18, AI1.16 �	2024-05-17
�	[ 54 ] � �	Liaison statement to Working Parties 3J, 3K and 3M - Propagation information to support studies in preparation for WRC-27 agenda item 1.8 � �	WP 5B �	AI1.8 �	2024-05-20
�	[ 53 ] � �	Contribution to Recommendation ITU-R P.310 - Discussion regarding definition of human blockage � �	United Kingdom �	�	2024-05-17
�	[ 52 ] � �	Excel implementations of P-Series Recommendations - Recommendations ITU-R P.837-6, ITU-R P.838-3 and ITU-R P.839-4 � �	United Kingdom �	�	2024-05-17
�	[ 51 ] � �	Application of Machine Learning/Artificial Intelligence for modelling of RadioWave propagation - Ofcom's preliminary investigation on path-specific prediction methods � �	United Kingdom �	�	2024-05-17
�	[ 50 ] � �	Towards a set of Machine learning methods for Radiowave propagation modelling � �	Canada �	�	2024-05-17
�	[ 49 ] � �	Proposed revision to Recommendation ITU-R P.1812-7 - Clutter classification model � �	Canada �	�	2024-05-17
�	[ 48 ] � �	Software implementation of Recommendation ITU-R P.2146 on sea surface bistatic scattering � �	Institute of Electrical and Electronics Engineers, Inc. (IEEE) (United States) �	�	2024-05-16
�	[ 47 ] � �	Discussion document on the machine learning model in the field of radio wave propagation � �	China �	�	2024-05-16
�	[ 46 ] � �	Discussion document on slant path diffraction model extention of Recommendation ITU-R P.526 � �	China �	�	2024-05-16
�	[ 45 ] � �	Discussion document for Recommendation ITU-R P.530-18 - Atmospheric scintillation at 340 GHz � �	China �	�	2024-05-16
�	[ 44 ] � �	Discussion document about Recommendation ITU-R P.453-14 � �	China �	�	2024-05-16
�	[ 43 ] � �	Supplement to Annex 24 to the Working Party 3J Chair's Report � �	China �	�	2024-05-16
�	[ 42 ] � �	Supporting document about the tropospheric delay mapping function � �	China �	�	2024-05-16
�	[ 41 ] � �	Proposed draft modification to Recommendation ITU-R P.1621-2 - Propagation data required for the design of Earth-space systems operating between 20 THz and 375 THz � �	China �	�	2024-05-16
�	[ 40 ] � �	Proposed modification to Recommendation ITU-R P.838-3 - Specific attenuation model for rain for use in prediction methods � �	China �	�	2024-05-16
�	[ 39 ] � �	Proposed revision to Recommendation ITU-R P.1409-3 - Propagation data and prediction methods for systems using high altitude platform stations and other elevated stations in the stratosphere at frequencies greater than about 0.7 GHz � �	Japan �	�	2024-05-16
�	[ 38 ] � �	Support document for Annex 10 to Document 3K/335 - Prediction of building entry loss � �	Japan �	�	2024-05-16
�	[ 37 ] � �	Correspondence Group 3J-17 activity Report � �	Co-Chairs, CG 3J-17 �	�	2024-05-16
�	[ 36 ] � �	Proposed revisions of Recommendations ITU-R P.526-15 and ITU-R P.619-5 - Propagation by diffraction - addition of a general terrain slant path model � �	Australia �	�	2024-05-16
�	[ 35 ] � �	Submission of D-Band rain attenuation statistics affecting an 800-m terrestrial link for Table I-1 of DBSG3 � �	Politecnico di Milano Dipartimento di Elettronica, Informazion e Biongegneria (Italy) �	�	2024-05-16
�	[ 34 ] � �	Liaison statement to Working Parties 7C and 7D (copy to Working Parties 4C, 5A, 5B, 5C, 3J and 3M) - Relevant technical information to support studies under WRC-27 agenda item 1.18 � �	WP 4A �	AI1.18 �	2024-05-15
�	[ 33 ] � �	Merge of two working documents towards a preliminary draft revision of Recommendation ITU-R P.676-13 into one document - Attenuation by atmospheric gases and related effects � �	Russian Federation �	�	2024-05-14
�	[ 32 ] � �	Modification to the preliminary draft revision of Recommendation ITU-R P.526-15 - Propagation by diffraction � �	Russian Federation �	�	2024-05-14
�	[ 31 ] � �	Proposal on elevation of preliminary draft revision of Recommendation ITU-R P.525-4 - Calculation of free-space attenuation � �	Russian Federation �	�	2024-05-14
�	[ 30 ] � �	Correspondence Group 3J-3K-3M-14 Activity Report - Issues relating to the HAPS propagation model � �	Chair, CG 3J-3K-3M-14 �	�	2024-05-14
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