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ITU-R SG03

Radiowave propagation

Results:119 total items.
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Contributions  Documents / Contributions
 
Number 
Received Source Title Questions
[ 69 ]  
 
2006-10-06 WP 3L   Draft revision of Question ITU-R 226-2/3 - Ionospheric and tropospheric characteristics along satellite-to-satellite paths     226/3  
[ 68 ]  
 
2006-10-06 WP 3L   Draft revision of Question ITU-R 218-2/3 - Ionospheric influences on space systems     218/3  
[ 67 ]  
(Rev.1) 
2006-10-06 WP 3K   Draft revision of Recommendation ITU-R P.1238-4 - 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  
[ 66 ]  
 
2006-10-06 Chairman, WP 3K   Executive Report to Study Group 3     N/A  
[ 65 ]  
(Rev.1) 
2006-10-09 WP 3J   Draft revision to Recommendation ITU-R P.833-5 - Attenuation in vegetation     202/3  
[ 64 ]  
(Rev.1) 
2006-10-06 WP 3J   Draft revision of Recommendation ITU-R P.368-8 - Ground-wave propagation curves for frequencies between 10 kHz and 30 MHz     N/A  
[ 63 ]  
(Rev.1) 
2006-10-06 WP 3J   Draft revision of Recommendation ITU-R P.1321-1 - Propagation factors affecting systems using digital modulation techniques at LF and MF     225/3  
[ 62 ]  
(Rev.1) 
2006-10-05 WP 3J   Draft revision of Recommendation ITU-R P.526-9 - Propagation by diffraction     202/3  
[ 61 ]  
(Rev.1) 
2006-10-05 WP 3M   Draft revision of Recommendation ITU-R P.682-1 - Propagation data required for the design of Earth-space aeronautical mobile telecommunication systems     207/3  
[ 60 ]  
(Rev.1) 
2006-10-05 WP 3M   Draft revision of Recommendation ITU-R P.530-11 - Propagation data and prediction methods required for the design of terrestrial line-of-sight systems     204/3  
[ 59 ]  
(Rev.1) 
2006-10-05 WP 3L   Draft revision of Recommendation ITU-R P.842-3 - Computation of reliability and compatibility of HF radio systems     N/A  
[ 58 ]  
(Rev.1) 
2006-10-05 WP 3L   Draft revision of Recommendation ITU-R P.1240 - ITU-R methods of basic MUF, operational MUF and ray-path prediction     212/3  
[ 57 ]  
(Rev.1) 
2006-10-05 WP 3L   Draft revision of Recommendation ITU-R P.1239 - ITU-R reference ionospheric characteristics     212/3  
[ 56 ]  
 
2006-10-05 WP 3J   Draft new Report - The analysis of radio noise data     214/3  
[ 55 ]  
 
2006-10-05 WP 3L   Draft revision of the Opinion ITU-R 22-6 - Routine ionospheric sounding     N/A  
[ 54 ]  
 
2006-10-05 WP 3J   Draft new Report - Measuring the input parameters for the radiative energy transfer model of vegetation attenuation     202/3  
[ 53 ]  
 
2006-10-05 WP 3J   Draft revision of Question ITU-R 202-1/3 - Methods for predicting propagation over the surface of the Earth     202/3  
[ 52 ]  
 
2006-10-05 WP 3J   Draft revision of Question ITU-R 214-1/3 - Radio noise     214/3  
[ 51 ]  
 
2006-10-04 Chairman, SG 3   Report to the meeting of ITU-R Study Group 3     N/A  
[ 50 ]  
 
2005-11-24 WP 3L   Draft revision of Recommendation ITU-R P.373-7 - Definitions of maximum and minimum transmission frequencies     212/3  
[ 49 ]  
 
2005-11-14 Coord. Committee for Vocabulary   Liaison statement to ITU-R Study Groups from the Coordination Committee for Vocabulary     N/A  
[ 48 ]  
+Add.1 
2005-10-27 WP 3J   Draft revision to Recommendation ITU-R P.834-5 - Effects of tropospheric refraction on radiowave     201/3  
[ 47 ]  
 
2005-10-20 WP 3K   This document has been withdrawn - See Doc. 3/72     211/3  
[ 46 ]  
 
2004-12-07 SG 3   Summary record of the meeting of Study Group 3 (Thursday, 28 October and Friday, 29 October, 2004)     N/A  
[ 45 ]  
 
2004-10-28 BR Study Group Department   List of documents issued     N/A  
[ 44 ]  
(Rev.1) 
2004-10-28 WP 3L   Draft revision of Recommendation ITU-R P.684-3 - Prediction of field strength at frequencies below about 150 kHz     225/3  
[ 43 ]  
 
2004-10-28 Director, BR   Final List of Participants - Study Group 3     N/A  
[ 42 ]  
(Rev.1) 
2004-10-27 WP 3L   Proposed revision of Recommendation ITU-R P.1147-2 - Prediction of sky-wave field strength at frequencies between about 150 and 1 700 kHz     225/3  
[ 41 ]  
(Rev.1) 
2004-10-27 WP 3L   Draft revision of Recommendation ITU-R P.842-2 - Computation of reliability and compatibility of HF radio systems     N/A  
[ 40 ]  
(Rev.1) 
2004-10-27 WP 3L   Proposed revision of Recommendation ITU-R P.533-7 - HF propagation prediction method     N/A  
[ 39 ]  
(Rev.1) 
2004-10-27 WP 3L   Draft revision of Recommendation ITU-R P.313-9 - Exchange of information for short-term forecasts and transmission of ionospheric disturbance warnings     213/3  
[ 38 ]  
(Rev.1) 
2004-10-27 WP 3K   Draft revision to Recommendation ITU-R P.1546-1 - Method for point-to-area predictions for terrestrial services in the frequency range 30 MHz to 3 000 MHz     N/A  
[ 37 ]  
 
2004-10-27 Chairman, WP 3J   Executive Report to Study Group 3     N/A  
[ 36 ]  
 
2004-10-27 Chairman, WP 3L   Executive Report on the meeting of Working Party 3L (Geneva, 25-27 October 2004) - Ionospheric propagation     N/A  
[ 35 ]  
 
2004-10-27 Chairman, WP 3M   Executive Report to Study Group 3     N/A  
[ 34 ]  
+Corr.1(Rev.1) 
2004-10-27 WP 3J   Draft revision of Recommendation ITU-R P.1623 - Prediction method of fade dynamics on Earth-space paths     201/3  
[ 33 ]  
(Rev.1) 
2004-10-27 WP 3J   Draft revision to Recommendation ITU-R P.835-3 - Reference standard atmospheres     201/3  
[ 32 ]  
(Rev.1) 
2004-10-27 WP 3J   Draft revision of Recommendation ITU-R P.838-2 - Specific attenuation model for rain for use in prediction methods     201/3  
[ 31 ]  
(Rev.1) 
2004-10-27 WP 3J   Draft revision of Recommendation ITU-R P.834-4 - Effects of tropospheric refraction on radiowave propagation     201/3  
[ 30 ]  
(Rev.1) 
2004-10-27 WP 3J   Draft modification of Recommendation ITU-R P.372-8 - Radio noise     214/3  
[ 29 ]  
(Rev.1) 
2004-10-27 WP 3J   Draft revision of Recommendation ITU-R P.676-5 - Attenuation by atmospheric gases     201/3  
[ 28 ]  
(Rev.1) 
2004-10-27 WP 3J   Draft revision of Recommendation ITU-R P.1621 - Propagation data required for the design of Earth-space systems operating between 20 THz and 375 THz     228/3  
[ 27 ]  
(Rev.1) 
2004-10-27 WP 3K   Draft revision of Recommendation ITU-R P.1410-2 - Propagation data and prediction methods required for the design of terrestrial broadband millimetric radio access systems operating in a frequency range of about 20-50 GHz     203/3  
[ 26 ]  
(Rev.1) 
2004-10-27 WP 3M   Proposed revision of Recommendation ITU-R P.620 - Propagation data required for the evaluation of coordination distances in the frequency range 100 MHz to 105 GHz     208/3  
[ 25 ]  
 
2004-10-27 WP 3M   Draft modification of Recommendation ITU-R P.681-6 - Propagation data required for the design of Earth-space land mobile telecommunication systems     209/3  
[ 24 ]  
 
2004-10-27 WP 3M   Revision of Question ITU-R 208-2/3 - Propagation factors in frequency sharing issues affecting fixed-satellite services and terrestrial services     208/3  
[ 23 ]  
 
2004-10-27 Chairman, WP 3K   Working Party 3K - Executive report     N/A  
[ 22 ]  
 
2004-10-27 WP 3M   Draft revision of Question ITU-R 228/3 - Propagation data required for the planning of radiocommunication systems operating above 275 GHz     228/3  
[ 21 ]  
(Rev.1) 
2004-10-27 WP 3M   Draft revision of Recommendation ITU-R P.452-11 - 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  
[ 20 ]  
 
2004-10-26 Chairman, SG 3   ITU-R Study Group structure     N/A  
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