Union Internationale des Télécommunications   UIT
English  Español
 
Plan du site Contactez-nous Copie Imprimable
  Page d'accueil : UIT-R : SG03 : Contributions  Ajoutés récemment -  Recherche de documents de réunion
   
UIT-R SG03  C 

UIT-R SG03

Propagation des ondes radioélectriques

Resultats:111 documents
Résultats :  1 - 2 - 3 - 4 - 5  - Suivant Next
Contributions  Documents / Contributions
 
Numéro 
Date Source Titre Questions
[ 111 ]  
 
2011-11-03 Chairman, SG 3   Summary Record of the meeting of Study Group 3 (Geneva, 27-28 October 2011)     N/A  
[ 110 ]  
(Rev.1) 
2011-10-28 Director, BR   Final List of Participants - Study Group 3 (Geneva, 27-28 October 2011)     N/A  
[ 109 ]  
 
2011-10-26 BR Study Group Department   List of documents issued     N/A  
[ 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     N/A  
[ 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     N/A  
[ 105 ]  
 
2011-10-26 Chairman, WP 3J   Executive Report to Study Group 3     N/A  
[ 104 ]  
(Rev.1) 
2011-10-26 WP 3M   Draft revision of Recommendation ITU-R P.1853 - Tropospheric attenuation time series synthesis     N/A  
[ 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     N/A  
[ 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     N/A  
[ 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     N/A  
[ 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     N/A  
[ 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     N/A  
[ 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     N/A  
[ 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     N/A  
[ 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     N/A  
[ 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     N/A  
[ 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     N/A  
[ 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     N/A  
Resultats:111 documents
Résultats :  1 - 2 - 3 - 4 - 5  - Suivant Next
 
Téléchargement de multiples documents: Cocher les cases correspondant aux documents sélectionnés, puis appuyer sur "Télécharger"
   
 
Préférences utilisateur: 
Téléchargement de multiples documents: Formats et langues à prendre en compte (si disponibles):
Pages de navigation HTML  
Formats  + Autres formats
Langues (maximum 2)  + Multilingue 
(E: Anglais - F: Français - S: Espagnol - A: Arabe - C: Chinois - R: Russe)

 

Début de page -  Commentaires -  Contactez-nous -  Droits d'auteur © UIT 2008 Tous droits réservés
Contact pour cette page :  Coordinateur du Web UIT-R
Mis à jour le : 2012-03-20