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Contributions��
�	Number�	Title	Source	AI/Question	Date
�	[ 56 ] � �	Proposed revision to Recommendation ITU-R P.534-4: Method for predicting annual statistics of interference by Sporadic-E � �	United Kingdom of Great Britain and Northern Ireland �	�	2009-04-07
�	[ 55 ] � �	Liaison statement to Radiocommunication Study Groups and Working Parties � �	Chairman, CCV �	�	2009-03-20
�	[ 54 ] � �	Note from the Chairman of Working Party 3K to the Chairman of Joint Task Group 5-6 - Propagation models needed for use in sharing studies at UHF frequencies � �	WP 3K �	�	2009-01-06
�	[ 53 ] � �	Liaison statement to Working Party 3K - Digital radio mondiale DRM multichannel simulcast, urban and indoor reception in the medium-wave band � �	WP 6A �	60/6, 108/6, 64-1/6, 52-1/6 �	2008-11-20
�	[ 52 ] � �	Note from Chairman Joint Task Group 5-6 to Chairman of Working Party 3K - Propagation models needed for use in sharing studies at UHF frequencies � �	JTG 5-6 �	�	2008-11-18
�	[ 51 ] � �	Liaison statement to Working Party 3K - Propagation models needed for the development of frequency arrangements and for use in compatibility studies at UHF frequencies � �	WP 5D �	�	2008-10-27
�	[ 50 ] � �	Liaison statement to WP 3K - Propagation models needed for evaluating IMT-Advanced channels, development of frequency arrangements, and for use in compatibility studies at UHF frequencies � �	WP 5D �	�	2008-08-07
�	[ 49 ] � �	Liaison statement to relevant Working Parties of Study Groups 3, 4, 5, 6, 7 - Information on short-range devices required for WRC-11 Agenda item 1.22 � �	WP 1A �	�	2008-07-25
�	[ 48 ] � �	Liaison statement to ITU-R Working Parties 4A, 4C, 5A, 5B, 5C, 6A, 7B, 7C and 7D (copy for information to ITU-R WPs 1A, 3J and 3K) - On the study of software-defined radio and cognitive radio systems � �	WP 1B �	�	2008-07-23
�	[ 47 ] � �	Reply to liaison statement from Working Party 3K - Extending of Recommendation ITU-R P.1546-3 application � �	WP 1C �	�	2008-07-07
�	[ 46 ] � +Ann.1-9�	Report of the meeting of Working Party 3K (Boulder, USA, 6-13 June 2008) � �	Chairman, WP 3K �	�	2008-06-25
�	[ 45 ] � �	Final List of Participants - Working Party 3K (6-13 June 2008) � �	Director, BR �	�	2008-06-25
�	[ 44 ] � �	Liaison reply to Working Party 4C (copied to Working Parties 3J, 3K, 3L, 3M, 7A, 7B, 7C, 7D, 4A, 4B, 6A, 6B, 6C, 1A, 1B, 1C, 5A, 5B, 5C and 5D for information) - Studies related to WRC-11 Agenda item 1.25 � �	WP 6A �	�	2008-06-11
�	[ 43 ] � �	List of documents issued � �	BR Study Group Department �	�	2008-05-29
�	[ 42 ] � �	Implementation of the Recommendation ITU-R P.1812 for the field strength rpediction in 3,5 GHz band � �	Telekomunidacja Polska S.A. (TP) , Poland (Republic of) �	203-3/3 �	2008-05-29
�	[ 41 ] � �	Support document for Item 4 of working document towards revision of Recommendation ITU-R P.1238-5 - Statistical channel model for static indoor conditions � �	Japan �	�	2008-05-29
�	[ 40 ] � �	Proposed revision to Recommendation ITU-R P.1411-4 - Removing frequency discontinuity from the path loss prediction formula � �	Japan �	211-2/3 �	2008-05-29
�	[ 39 ] � �	Proposed revision of Recommendation ITU-R P.1411-4 - Effet of antenna directivity for multipath models � �	Japan �	211-4/3 �	2008-05-29
�	[ 38 ] � �	Proposed revision of Recommendation ITU-R P.1238-5 - Cross polarization discrimination ratio in indoor environment � �	Japan �	211/3 �	2008-05-29
�	[ 37 ] � �	Application of Benford's law to the ITU-R SG 3 - Measurement data � �	Telekomunikacja Polska S.A. �	203-3/3 �	2008-05-28
�	[ 36 ] � �	Inclusion of the meteorological data in the ITU-R SG 3 measurements databanks for terrestrial broadcasting � �	Telekomunikacja Polska S.A. �	203-3/3 �	2008-05-28
�	[ 35 ] � �	Building penetration loss: measurement and comments on definition and modelling � �	United Kingdom of Great Britain and Northern Ireland �	211-4/3 �	2008-05-28
�	[ 34 ] � �	A description of the Bullington diffraction method applied over a range of time percentages & the subsequent comparison between Recommendation ITU-R P.1812 and a modified vesion containing the new method � �	United Kingdom of Great Britain and Northern Ireland �	�	2008-05-28
�	[ 33 ] � �	A hybrid diffraction method for ITU-R P.1812 � �	United Kingdom of Great Britain and Northern Ireland �	�	2008-05-28
�	[ 32 ] � �	Supporting material for a hybrid diffraction method � �	United Kingdom of Great Britain and Northern Ireland �	�	2008-05-28
�	[ 31 ] � �	Discrepancy within the spherical earth diffraction method of Recommendation ITU-R P.526-10 � �	United Kingdom of Great Britain and Northern Ireland �	�	2008-05-28
�	[ 30 ] � �	Metrics for determining model goodness-of-fit � �	United Kingdom of Great Britain and Northern Ireland �	�	2008-05-28
�	[ 29 ] � �	Discussion paper on the comparison of Recommendation ITU-R P.1812 simulations with Recommendation ITU-R P.1546 land and sea curves � �	United Kingdom of Great Britain and Northern Ireland �	�	2008-05-28
�	[ 28 ] � �	Comments on a parametric model for the electrical constants of building materials proposed for Recommendation ITU-R P.1238 � �	United Kingdom of Great Britain and Northern Ireland �	�	2008-05-28
�	[ 27 ] � �	Review and analysis paper concerning the conversion of statistics from various integration times and Recommendation ITU-R P.837-5 � �	United Kingdom of Great Britain and Northern Ireland �	�	2008-05-28
�	[ 26 ] � �	Discussion paper concerning Recommendation ITU-R P.1812 - The ducting model at low frequencies � �	United Kingdom of Great Britain and Northern Ireland �	�	2008-05-28
�	[ 25 ] � �	Progress towards an improved building-entry loss model with special reference to Recommendation ITU-R P.1812 � �	United Kingdom of Great Britain and Northern Ireland �	�	2008-05-28
�	[ 24 ] � �	Mean and standard deviation of R.M.S delay spread � �	Korea (Republic of) �	�	2008-05-28
�	[ 23 ] � �	Proposed modifications to Recommendation ITU-R P.1407-3 - Addition of definitions for delay and angular profile � �	Korea (Republic of) �	203/3 �	2008-05-28
�	[ 22 ] � �	Generalized method for separating the long and short term components variation components of a received signal application to ground-wave propagation in the MF band � �	Spain �	225/3, 202/3 �	2008-05-27
�	[ 21 ] � �	Local fading characterization in ground-wave propagation in the MF band � �	Spain �	202-3/3, 225-5/3 �	2008-05-27
�	[ 20 ] � �	Ground-wave propagation - Method for predicting the transmission loss mean value due to terrain irregularities on the propagation path � �	Spain �	225-5/3, 202-3/3 �	2008-05-27
�	[ 19 ] � �	Report on ITU-R Workinng Party 3K (3K-1 correspondance group) workshop - On Rec. ITU-R P.1812 - Path specific propagation methods for terrestrial services in the frequency range 30 to 3 000 MHz � �	Rapporteur, 3K/1 Correspondance Group �	203/3, 204/3 �	2008-05-28
�	[ 18 ] � �	Some considerations for comparing propagation model predictions to propagation measurement data � �	United States of America �	�	2008-05-16
�	[ 17 ] � �	Discussion paper concerning Recommendation ITU-R P.1812 - The Bullington diffraction model and its correction � �	United Kingdom of Great Britain and Northern Ireland �	�	2008-05-13
�	[ 16 ] � �	Proposed modification to Recommendation ITU-R P.1812 and ITU-R P.452-13 diffraction prediction � �	China (People's Republic of) �	�	2008-05-12
�	[ 15 ] � �	Liaison statement to Study Groups 1, 3, 5, 6 and 7 - Inter-working of Study Group 4 with other ITU-R Study Groups for issues involving Working Parties of more than one Study Group � �	SG 4 �	�	2008-04-30
�	[ 14 ] � �	Proposed revision to Recommendation ITU-R P.1238-5 - Modelling of indoor channel impluse response � �	United Kingdom of Great Britain and Northern Ireland �	211/4 �	2008-04-28
�	[ 13 ] � �	Testing of Recommendation ITU-R P.1812 diffraction models with respect to mobile measurement data � �	United Kingdom of Great Britain and Northern Ireland �	�	2008-04-28
�	[ 12 ] � �	Further testing of Recommendation ITU-R P.1812 with respect to long-term measuremnt data � �	United Kingdom of Great Britain and Northern Ireland �	�	2008-04-28
�	[ 11 ] � �	Measurement data for improving ITU-R Recommendation P.1812 � �	United Kingdom of Great Britain and Northern Ireland �	�	2008-04-28
�	[ 10 ] � �	Diffraction model comparisons using the cleaned 3K1 Correspondence Group database � �	United Kingdom of Great Britain and Northern Ireland �	�	2008-04-28
�	[ 9 ] � �	Liaison statement to Working Parties 7A, 7B, 7C, 7D, 4A, 4B, 6D, 6X, 6G, 1A, 1B, 1C, 5A, 5B, 5C and 5D (copy for information to Working Parties 3J, 3K, 3L and 3M) - Information for studies related to WRC-11 Agenda item 1.25 � �	WP 4C �	�	2008-04-22
�	[ 8 ] � �	ITU-R Study Group 5 (formerly Study Group 8) Question to be brought to the attention of Study Group 3 � �	BR, Study Group Department �	77-6/8 �	2008-04-15
�	[ 7 ] � (Rev.1)�	Structure of Study Group 3 and its Working Parties � �	Chairman, SG 3 �	�	2008-03-31
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