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ITU-R SG03

Radiowave propagation

Results:111 total items.
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Contributions  Documents / Contributions
 
Number 
Received Source Title Questions
[ 36 ]  
 
2009-06-10 Chairman, WP 3M   Executive Report to Study Group 3     N/A  
[ 35 ]  
 
2009-06-10 Chairman, WP 3K   Executive Report to Study Group 3     N/A  
[ 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     N/A  
[ 26 ]  
 
2009-06-10 WP 3L   Draft revision of Question ITU-R 222-1/3 - Measurements and data banks of ionospheric characteristics and noise     N/A  
[ 25 ]  
 
2009-06-10 WP 3L   Draft revision of Question ITU-R 218-3/3 - Ionospheric influences on space systems     N/A  
[ 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     N/A  
[ 21 ]  
 
2009-06-10 WP 3L   Draft revision of Question ITU-R 221/3 - Propagation by way of sporadic E and other ionization     N/A  
[ 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     N/A  
[ 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     N/A  
[ 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     N/A  
[ 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     N/A  
[ 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  
[ 11 ]  
(Rev.1) 
2009-06-10 WP 3J   Draft revision of Recommendation ITU-R P.836-3 - Water vapour: surface density and total columnar content (Question ITU-R 201/3)     201/3  
[ 10 ]  
(Rev.1) 
2009-06-10 WP 3J   Draft revision of Recommendation ITU-R P.676-7 - Attenuation by atmospheric gases     201/3  
[ 9 ]  
 
2009-06-10 WP 3J   Proposed correction to Recommendation ITU-R P.834-6 - Effects of tropospheric refraction on radiowave propagation     201/3  
[ 8 ]  
(Rev.1) 
2009-06-10 WP 3J   Draft revision of Recommendation ITU-R P.1407-3 - Multipath propagation and parameterization of its characteristics (Question ITU-R 203/3)     203/3  
[ 7 ]  
 
2009-03-20 Chairman, CCV   Liaison statement to Radiocommunication Study Groups and Working Parties     N/A  
[ 6 ]  
 
2009-03-19 WP 1B   Liaison statement to ITU-R Study Group 3 and Working Parties 4A, 4C, 5A, 5B, 6A, 7C, 7D (copy to WPs 5C, 5D, 6C and 7B for information) on the study of software-defined radio and cognitive radio systems     N/A  
[ 5 ]  
 
2008-12-08 Chairman, ITU-T FG ICT & CC   Liaison statement - Questionnaire from ITU-T Focus Group on ICT and Climate Change     N/A  
[ 4 ]  
 
2008-10-14 SG 7   Liaison statement from Study Group 7 to Study Group 4 (and copy to SGs 1, 3, 5, 6 and for information to RAG) - Inter-working of Study Group 4 with other ITU-R Study Groups for issues involving Working Parties of more than one Study Group     N/A  
[ 3 ]  
 
2008-07-23 TSAG   Liaison statement on improved geographic distribution and coordination of ITU-T Seminars and Workshops     N/A  
[ 2 ]  
(Rev.1) 
2008-03-31 Chairman, SG 3   Structure of Study Group 3 and its Working Parties     N/A  
[ 1 ]  
+Add.1 
2007-11-01 SG 3   Questions assigned to Radiocommunication Study Group 3     N/A  
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