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UIT-R SG03

Propagación de las ondas radioeléctricas

Resultados :111 documentos
Resultados :  1 - 2 - 3  - Siguiente Next
Contribuciones  Documents / Contributions
 
Número 
Fecha Origen Título AI/Cuestión
[ 111 ]  
 
2011-11-03 Chairman, SG 3   Summary Record of the meeting of Study Group 3 (Geneva, 27-28 October 2011)      
[ 110 ]  
(Rev.1) 
2011-10-28 Director, BR   Final List of Participants - Study Group 3 (Geneva, 27-28 October 2011)      
[ 109 ]  
 
2011-10-26 BR Study Group Department   List of documents issued      
[ 108 ]  
 
2011-10-26 WP 3M   Draft new Handbook - Handbook on the selection and use of radio propagation models for interference prediction and ITU sharing studies      
[ 107 ]  
(Rev.1) 
2011-10-26 WP 3L   Draft revision of Recommendation ITU-R P.313-10 - Exchange of information for short-term forecasts and transmission of ionospheric disturbance warnings     213-2/3  
[ 106 ]  
 
2011-10-26 Chairman, WP 3M   Executive Report to Study Group 3      
[ 105 ]  
 
2011-10-26 Chairman, WP 3J   Executive Report to Study Group 3      
[ 104 ]  
(Rev.1) 
2011-10-26 WP 3M   Draft revision of Recommendation ITU-R P.1853 - Tropospheric attenuation time series synthesis      
[ 103 ]  
(Rev.1) 
2011-10-26 WP 3M   Draft revision to Recommendation ITU-R P.617-1 - Propagation prediction techniques and data required for the design of trans-horizon radio-relay systems     205-1/3  
[ 102 ]  
(Rev.1) 
2011-10-26 WP 3M   Draft revision of Recommendation ITU-R P.1409 - Propagation data and prediction methods required for the design of systems using high altitude platform stations at about 47 GHz      
[ 101 ]  
 
2011-10-26 WP 3M   Draft revision of Resolution ITU-R 25-2 - Computer programs and associated reference numerical data for radiowave propagation studies      
[ 100 ]  
(Rev.1) 
2011-10-26 WP 3M   Draft revision of Recommendation ITU-R P.530-13 - Propagation data and prediction methods required for the design of terrestrial line-of-sight systems     204-4/3  
[ 99 ]  
 
2011-10-26 Chairman, WP 3K   Executive Report to Study Group 3      
[ 98 ]  
(Rev.1) 
2011-10-26 WP 3M   Draft revision of Recommendation ITU-R P.1817 - Propagation data required for the design of terrestrial free-space optical links     228-1/3  
[ 97 ]  
(Rev.1) 
2011-10-26 WP 3M   Draft revision of Recommendation ITU-R P.682-2 - Propagation data required for the design of Earth-space aeronautical mobile telecommunication systems     207-4/3  
[ 96 ]  
(Rev.1) 
2011-10-26 WP 3M   Proposed new Question concerning propagation prediction models for airborne systems - Question ITU-R [XXX.X]/3 - Methods for the prediction of propagation path losses between an airborne platform and a satellite, ground terminal or another airborne platform      
[ 95 ]  
(Rev.1) 
2011-10-26 WP 3M   Draft new Recommendation ITU-R P.[WRPM] - A general purpose wide-range terrestrial propagation model in the frequency range 30 MHz to 50 GHz      
[ 94 ]  
(Rev.1-2) 
2011-10-26 WP 3K   Draft revision of Recommendation ITU-R P.1812-1 - A path-specific propagation prediction method for point-to-area terrestrial services in the VHF and UHF bands     203-4/3  
[ 93 ]  
 
2011-10-26 Chairman, WP 3L   Executive Report to Study Group 3 - Ionospheric propagation and radio noise      
[ 92 ]  
(Rev.1) 
2011-10-26 WP 3L   Draft revision of Recommendation ITU-R P.531-10 - Ionospheric propagation data and prediction methods required for the design of satellite services and systems     218-4/3  
[ 91 ]  
(Rev.1) 
2011-10-26 WP 3L   Draft revision of Question ITU-R 213-2/3 - The short-term forecasting of operational parameters for trans-ionospheric radiocommunication and aeronautical radionavigation services      
[ 90 ]  
(Rev.1) 
2011-10-26 WP 3L   Draft revision of Question ITU-R 225-5/3 - The prediction of propagation factors affecting systems at LF and MF including the use of digital modulation techniques      
[ 89 ]  
(Rev.1) 
2011-10-26 WP 3L   Draft revision of Question ITU-R 230-1/3 - Prediction methods and models applicable to power line telecommunications systems      
[ 88 ]  
(Rev.1) 
2011-10-26 WP 3L   Draft revision of Question ITU-R 229-1/3 - 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      
[ 87 ]  
(Rev.1) 
2011-10-26 WP 3L   Draft revision of Question ITU-R 222-2/3 - Measurements and data banks of ionospheric characteristics and radio noise      
[ 86 ]  
(Rev.1) 
2011-10-26 WP 3L   Draft revision of Question ITU-R 226-3/3 - Ionospheric and tropospheric characteristics along satellite-to-satellite paths      
[ 85 ]  
(Rev.1) 
2011-10-26 WP 3L   Draft revision of Question ITU-R 221-1/3 - Propagation by way of sporadic E and other ionization      
[ 84 ]  
(Rev.1) 
2011-10-26 WP 3L   Draft revision of Question ITU-R 218-4/3 - Ionospheric influences on satellite systems      
[ 83 ]  
(Rev.1) 
2011-10-26 WP 3L   Draft revision of Question ITU-R 214-3/3 - Radio noise      
[ 82 ]  
(Rev.1) 
2011-10-26 WP 3L   Draft revision of Recommendation ITU-R P.1239-2 - ITU-R Reference Ionospheric Characteristics      
[ 81 ]  
(Rev.1) 
2011-10-26 WP 3L   Draft revision of Recommendation ITU-R P.533-10 - Method for the prediction of the performance of HF circuits      
[ 80 ]  
(Rev.1) 
2011-10-26 WP 3L   Draft revision of Recommendation ITU-R P.832-2 - World atlas of ground conductivities      
[ 79 ]  
(Rev.1) 
2011-10-26 WP 3L   Draft revision of Recommendation ITU-R P.534-4 - Method for calculating sporadic-E field strength      
[ 78 ]  
(Rev.1) 
2011-10-26 WP 3L   Draft revision of Recommendation ITU-R P.684-5 - Prediction of field strength at frequencies below about 150 kHz      
[ 77 ]  
 
2011-10-26 WP3K   Draft revision of Question ITU-R 211-5/3 - Propagation data and propagation models in the frequency range 300 MHz to 100 GHz for the design of short-range wireless radiocommunication systems and wireless local area networks (WLAN)     211-5/3  
[ 76 ]  
(Rev.1) 
2011-10-26 WP 3K   Draft revision of Recommendation ITU-R P.1238-6 - 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     211-5/3  
[ 75 ]  
(Rev.1) 
2011-10-26 WP 3K   Draft revision of Recommendation ITU-R P.1816 - The prediction of the time and the spatial profile for broadband land mobile services using UHF and SHF bands     211-5/3  
[ 74 ]  
(Rev.1) 
2011-10-26 WP 3K   Draft revision of Recommendation ITU-R P.528-2 - Propagation curves for aeronautical mobile and radionavigation services using the VHF, UHF and SHF bands     203-4/3  
[ 73 ]  
(Rev.1) 
2011-10-26 WP 3M   Draft revision of Recommendation ITU-R P.1144-5 - Guide to the application of the propagation methods of Radiocommunication Study Group 3      
[ 72 ]  
(Rev.1) 
2011-10-26 WP 3J   Draft revision to Recommendation ITU-R P.526-11 - Propagation by diffraction     202-3/3  
[ 71 ]  
(Rev.1) 
2011-10-26 WP 3J   Draft revision of Recommendation ITU-R P.840-4 - Attenuation due to clouds and fog     201-3/3  
[ 70 ]  
(Rev.1) 
2011-10-26 WP 3J   Draft revision to Recommendation ITU-R P.833-6 - Attenuation in vegetation     202-3/3  
[ 69 ]  
(Rev.1) 
2011-10-26 WP 3J   Draft revision to Recommendation ITU-R P.453-9 - The radio refractive index: its formula and refractivity data     201-3/3  
[ 68 ]  
(Rev.1) 
2011-10-26 WP 3J   Draft revision of Question ITU-R 201-3/3 - Radiometeorological data required for the planning of terrestrial and space communication systems and space research application     201-3/3  
[ 67 ]  
(Rev.1) 
2011-10-25 WP 3J   Draft revision of Recommendation ITU-R P.837-5 - Characteristics of precipitation for propagation modelling     201-3/3  
[ 66 ]  
(Rev.1) 
2011-10-25 WP 3J   Draft new Question ITU-R [NANO]/3 - The effect of nanostructure materials on propagation      
[ 65 ]  
(Rev.1) 
2011-10-25 WP 3J   Draft revision to Recommendation ITU-R P.676-8 - Attenuation by atmospheric gases     201-3/3  
[ 64 ]  
(Rev.1-2) 
2011-10-25 WP 3J   Draft revision of Recommendation ITU-R P.835-4 - Reference standard atmospheres     201-3/3  
[ 63 ]  
 
2011-10-25 WP 3J   Draft revision of Resolution ITU-R 40-2 - Worldwide databases of terrain height and surface features      
[ 62 ]  
(Rev.1) 
2011-10-25 WP 3J   Draft revision of Question ITU-R 209/3 - Variability and risk parameters in system performance analysis      
Resultados :111 documentos
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