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ITU-R SG03

Radiowave propagation

Results:111 total items.
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Contributions  Documents / Contributions
 
Number 
Received Source Title AI/Question
[ 61 ]  
(Rev.1) 
2011-10-25 WP 3K   Draft revision of Recommendation ITU-R P.1411-5 - Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz     211-5/3  
[ 60 ]  
(Rev.1) 
2011-10-21 WP 3K   Draft modification to Recommendation ITU-R P.1410-4 - Propagation data and prediction methods required for the design of terrestrial broadband radio access systems operating in a frequency range from 3 to 60 GHz     203-4/3  
[ 59 ]  
(Rev.1) 
2011-10-21 WP 3K   Draft modification to Question 203-4/3      
[ 58 ]  
 
2011-08-08 Iran (Islamic Republic of)   Draft new Question ITU-R [NANO]/3 - The effect of nanostructure materials on electromagnetic emission      
[ 57 ]  
 
2011-10-10 United States of America   Proposed modification to Resolution ITU-R 25-2      
[ 56 ]  
 
2010-12-16 SG 6   Note from Study Group 6 to the RAG proposal for revision to the guidelines for the working methods and/or Resolution ITU-R 1      
[ 55 ]  
 
2010-02-18 WP 1A   Liaison statement to Study Group 3 - Question ITU-R 230-1/3 on "Prediction methods and models applicable to power line telecommunications systems"     221-1/1, 218-1/1  
[ 54 ]  
 
2010-02-17 WP 1B   Draft Liaison statement to Working Parties 4A, 4C, 5A, and 6A (copy to Working Parties 5B, 5C, 7A, 7B, 7C and Study Group 3) on WRC-12 Agenda item 1.2      
[ 53 ]  
 
2010-02-16 Director, BR   Invitation to contribute to CWG-WCIT12      
[ 52 ]  
 
2009-10-12 WP 1B   Liaison statement to ITU-R Study Group 3 and Working Parties 4A, 4C, 5A, 5B, 5C, 5D, 6A, 7B, 7C, 7D on the progress of WRC-12 Agenda item 1.19      
[ 51 ]  
 
2009-07-01 Director, BR   World Telecommunication Policy Forum 2009 (WTPF-09)      
[ 50 ]  
 
2009-06-12 Chairman, SG 3   Study Group 3 Summary Record (Meeting: 11-12 June 2009)      
[ 49 ]  
 
2009-06-12 Director, BR   Final List of Participants - Study Group 3 (Geneva, 11-12 June 2009)      
[ 48 ]  
 
2009-06-10 BR Study Group Department   List of documents issued      
[ 47 ]  
(Rev.1) 
2009-06-10 WP 3J   Draft revision to Recommendation ITU-R P.840-3 - Attenuation due to clouds and fog (Question ITU-R 201-3/3)     201/3  
[ 46 ]  
(Rev.1) 
2009-06-10 WP 3M   Draft revision of Recommendation ITU-R P.1144-4 - Guide to the application of the propagation methods of Radiocommunication Study Group 3      
[ 45 ]  
(Rev.1) 
2009-06-10 WP 3M   Draft revision of Recommendation ITU-R P.681-6 - Propogation data required for the design of earth-space land mobile telecommunication systems - Proposed new wideband LMSS model (Question ITU-R 207-3/3)     207/3  
[ 44 ]  
(Rev.1) 
2009-06-10 WP 3L   Draft revision of Recommendation ITU-R P.1321-2 - Propagation factors affecting systems using digital modulation techniques at LF and MF (Question ITU-R 225/3)     225/3  
[ 43 ]  
 
2009-06-10 Chairman, WP 3J   Executive Report to Study Group 3      
[ 42 ]  
 
2009-06-10 WP 3K   Proposed modifications to Question ITU-R 211-4/3 - Propagation data and propagation models for the design of short-range wirelesws communication and access systems and wireless local area networks (WLAN) in the frequency range 300 MHz ot 100 GHz      
[ 41 ]  
(Rev.1) 
2009-06-10 WP 3M   Draft revision of Recommendation ITU-R P.311 - Acquisiton, presentation and analysis of data in studies of tropospheric propagation      
[ 40 ]  
(Rev.1) 
2009-06-10 WP 3L   Draft revision of Recommendation ITU-R P.684-4 - Prediction of field strength at frequencies below about 150 kHz (Question 225-5/3)     225/3  
[ 39 ]  
 
2009-06-10 WP 3L   Draft revision of Question ITU-R 230/3 - Prediction methods and models applicable to power line telecommunications systems      
[ 38 ]  
 
2009-06-10 WP 3L   Draft revision of Question ITU-R 213-1/3 - The short-term forecasting of operational parameters for ionospheric and trans-ionospheric radiocommunications and radionavigation services      
[ 37 ]  
 
2009-06-10 Chairman, WP 3L   Ionospheric propagation and radio noise - Executive Report      
[ 36 ]  
 
2009-06-10 Chairman, WP 3M   Executive Report to Study Group 3      
[ 35 ]  
 
2009-06-10 Chairman, WP 3K   Executive Report to Study Group 3      
[ 34 ]  
(Rev.1) 
2009-06-10 WP 3M   Draft revision to Recommendation ITU-R P.1815 - Differential rain attenuation (Question ITU-R 208/3)     208/3  
[ 33 ]  
(Rev.1) 
2009-06-10 WP 3M   Draft new Recommendation ITU-R P.[Doc.3/33] Tropospheric attenuation time series synthesis     206/3, 204/3  
[ 32 ]  
(Rev.1) 
2009-06-10 WP 3M   Draft revision to Recommendation ITU-R P.530-12 - Propagation data and prediction methods required for the design of terrestrial line-of-sight systems (Question ITU-R 204/3)     204/3  
[ 31 ]  
(Rev.1) 
2009-06-10 WP 3M   Draft revision to Recommendation ITU-R P.618-9 - Propagation data and prediction methods required for the design of Earth-space telecommunication systems (Question ITU-R 206-3)     206/3  
[ 30 ]  
 
2009-06-10 WP 3M   Draft new Report on physical-statistical wideband LMSS modelling - Model parameters for an urban environment for the physical-statistical wideband LMSS model in Recommendation ITU-R P.681-6     207/3  
[ 29 ]  
 
2009-06-10 WP 3M   Draft revision of Question ITU-R 207-3/3 - Propagation data and prediction methods for satellite mobile and radiodetermination services above about 0.1 GHz     207/3  
[ 28 ]  
(Rev.1) 
2009-06-10 WP 3M   Draft revision to Recommendation ITU-R P.452-13 - Prediction procedure for the evaluation of microwave interference between stations on the surface of the Earth at frequencies above about 0.7 GHz     208/3  
[ 27 ]  
 
2009-06-10 WP 3M   Proposed modifications to Question ITU-R 204-3/3 - Propagation data and prediction methods required for terrestrial line-of-sight systems      
[ 26 ]  
 
2009-06-10 WP 3L   Draft revision of Question ITU-R 222-1/3 - Measurements and data banks of ionospheric characteristics and noise      
[ 25 ]  
 
2009-06-10 WP 3L   Draft revision of Question ITU-R 218-3/3 - Ionospheric influences on space systems      
[ 24 ]  
(Rev.1) 
2009-06-10 WP 3L   Proposed revision to Recommendation ITU-R P.531-9 - Revision and clarification related to ionospheric scintillation effects (Question ITU-R 218/3)     218/3  
[ 23 ]  
(Rev.1) 
2009-06-10 WP 3L   Draft revision of Recommendation ITU-R P.1239-1 - ITU-R reference ionospheric characteristics - (Question ITU-R 212/3)     212/3  
[ 22 ]  
 
2009-06-10 WP 3L   Draft revision of Question ITU-R 229/3 - Prediction of sky-wave propagation conditions, signal intensity, circuit performance and reliability at frequencies between about 1.6 and 30 MHz, in particular for systems using digital modulation techniques      
[ 21 ]  
 
2009-06-10 WP 3L   Draft revision of Question ITU-R 221/3 - Propagation by way of sporadic E and other ionization      
[ 20 ]  
(Rev.1) 
2009-06-10 WP 3L   Proposed revision of Recommendation ITU-R P.372-9 - Radio noise (Question ITU-R 214/3)     214/3  
[ 19 ]  
 
2009-06-10 WP 3L   Draft revision of Question ITU-R 212-1/3 - Ionospheric properties      
[ 18 ]  
(Rev.1) 
2009-06-10 WP 3L   Draft revision of Recommendation ITU-R P.533-9 - Method for the prediction of the performance of HF circuits      
[ 17 ]  
(Rev.1) 
2009-06-10 WP 3K   Draft revision of Recommendation ITU-R P.1546-3 - Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz      
[ 16 ]  
 
2009-06-10 WP 3K   Draft revision of Question ITU-R 203-3/3 - Propagation prediction methods for terrestrial broadcasting, fixed (broadband access) and mobile services at frequencies above 30 MHz      
[ 15 ]  
(Rev.1) 
2009-06-10 WP 3K   Draft revision of Recommendation ITU-R P.1411-4 - Propagation data and prediction methods for the planning of short-range outdoor radiocommunication systems and radio local area networks in the frequency range 300 MHz to 100 GHz (Question ITU-R 211/3)     211/3  
[ 14 ]  
(Rev.1) 
2009-06-10 WP 3K   Draft revision of Recommendation ITU-R P.1238-5 - Propagation data and prediction methods for the planning of indoor radiocommunication systems and radio local area networks in the frequency range 900 MHz to 100 GHz     211/3  
[ 13 ]  
(Rev.1) 
2009-06-10 WP 3K   Draft revision of Recommendation ITU-R P.1812 - Addition of correction to ducting model at VHF     203/3  
[ 12 ]  
(Rev.1) 
2009-06-10 WP 3J   Draft revision of Recommendation ITU-R P.526-10 - Propagation by diffraction - (Question ITU-R 202/3)     202/3  
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