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Propagation ionosphérique

Resultats:92 documents
Résultats :  1 - 2  - Suivant Next
Contributions  Documents / Contributions
 
Numéro 
Titre Source AI/Question
Date
[ 92 ]  
+Ann.1-5 
Chairman's report - Meeting 23-25 April 2007     Chairman, WP 3L     2007-05-03
[ 91 ]  
 
Liste finale des participants - Groupe de travail 3L (Genève, 23-25 avril 2007)     Director, BR     2007-04-25
[ 90 ]  
 
List of documents issued     BR Study Group Department     2007-04-17
[ 89 ]  
 
HF propagation measurements     Brazil (Federative Republic of)   222/3   2007-04-11
[ 88 ]  
 
Draft revision of Recommendation ITU-R P.533-8 - HF propagation prediction method     United Kingdom of Great Britain and Northern Ireland     2007-04-05
[ 87 ]  
 
ITU-R reference ionospheric characteristics     United Kingdom of Great Britain and Northern Ireland     2007-04-05
[ 86 ]  
 
Correction of sea gain curves in Recommendation ITU-R P.1147-2     Japan   225/3   2007-04-03
[ 85 ]  
 
Information document - Project for researching radio propagation in South-East Asia     Japan   218/3, 213/3, 212/3   2007-04-03
[ 84 ]  
 
Second revision to Recommendation ITU-R P.1147-2 - Prediction of sky-wave field strength at frequencies between about 150 and 1 700 kHz     Japan     2007-04-03
[ 83 ]  
 
Liaison statement to Radiocommunication Study Groups and Working Parties - Terminology database     Coordination Committee for Vocabulary (CCV)     2007-01-11
[ 82 ]  
+Ann.1-6 
Chairman's report of the meeting of Working Party 3L (Geneva, 3-6 October 2006)     Chairman, WP 3L     2006-10-09
[ 81 ]  
 
Final List of Participants - Working Party 3L (Geneva, 3 - 6 October 2006)     Director, BR     2006-10-05
[ 80 ]  
 
List of documents issued     BR Study Group Department     2006-10-02
[ 79 ]  
 
Draft Revision of Recommendation ITU-R P.533     United Kingdom of Great Britain and Northern Ireland     2006-09-25
[ 78 ]  
 
Propagation at frequencies below about 2 MHz - Chairman's Report for the period of October 2005 to October 2006     Chairman, Rapporteur 3L-RG2     2006-09-21
[ 77 ]  
 
Revision of Recommendation ITU-R P.1144-3 - Guide to the application of the propagation methods of Radiocommunication Study Group 3     Chairman, SG 3     2006-09-18
[ 76 ]  
(Rev.1) 
Revision to Recommendation ITU-R P.1147-3 - Prediction of sky-wave field strength at frequencies between about 150 and 1 700 kHz     Japan   225/3   2006-09-15
[ 75 ]  
 
This document has been withdrawn     Japan   225/3   2006-09-14
[ 74 ]  
 
Information document towards the prediction of the performance of digital HF circuits     Australia   213/3   2006-09-11
[ 73 ]  
 
Revision of Opinion ITU-R 22 - Routine ionospheric sounding     Australia     2006-09-11
[ 72 ]  
 
Proposed draft new Report ITU-R P.[GISM] - Trans-ionospheric propagation     France, Australia, ESA, Austria   218/3   2006-09-11
[ 71 ]  
 
Proposed revision to Recommendation ITU-R P.531-8 - Ionospheric propagation data and prediction methods for the design of satellite services and systems     Chairman, WP 3L   218/3   2006-09-11
[ 70 ]  
 
Proposed draft revision of Recommendation ITU-R P.842 - Computation of reliability and compatibility of HF radio systems     Australia   201/3   2006-08-30
[ 69 ]  
 
Ionosphere modeling     Brazil (Federative Republic of)   229/3, 222/3, 213/3, 212/3   2006-08-23
[ 68 ]  
 
HF data transmission     Brazil (Federative Republic of)   229/3   2006-08-23
[ 67 ]  
 
Proposed revision of Question ITU-R 226-2/3 - Ionospheric and tropospheric characteristics along satellite-to-satellite paths     Chairman, WP 3L   226/3   2006-08-20
[ 66 ]  
 
Proposed revision of Question ITU-R 218-2/3 - Ionospheric influences on space systems     Chairman, WP 3L   218/3   2006-08-20
[ 65 ]  
 
Liaison statement from WP 9C - Response to liaison statement on the specification of system performance parameters for digital HF communications and broadcasting     WP 9C     2006-07-26
[ 64 ]  
 
ITU-R Study Group 1 Questions to be brought to the attention of Working Parties 3L and 3M     BR, Study Group Department     2006-05-01
[ 63 ]  
 
Liaison statement to Working Party 3L - The specification of system performance parameters for digital HF broadcasting     WP 6E     2005-10-14
[ 62 ]  
+Ann.1-14 
Chairman's Report - Meeting in Cleveland, USA (4 - 7 October 2005)     Chairman, WP 3L     2005-10-11
[ 61 ]  
 
Final list of participants     Director, BR     2005-10-25
[ 60 ]  
 
List of documents issued     BR Study Group Department     2005-09-21
[ 59 ]  
 
Progress report for the period of November 2004 to September 2005     Convenor, Correspondence Group on Power Line ...   230/3   2005-09-20
[ 58 ]  
 
Draft proposed modifications to the model used in Recommendation ITU-R P.531-8 - Ionospheric propagation data and prediction methods required for the design of satellite services and systems     European Space Agency (ESA)     2005-09-20
[ 57 ]  
 
Propagation at Frequencies below about 2 MHz - Chairman's Report for the period of October 2004 to October 2005     Chairman, Rapporteur Group 3L-RG2     2005-09-19
[ 56 ]  
 
A procedure for the prediction of the reliability of digitally modulated services at HF     Australia and United Kingdom   229/3   2005-09-14
[ 55 ]  
 
Proposed revisions to Recommendations ITU-R P.1239, ITU-R P.1240 and ITU-R P.533-8 - Representation of the variability of foF2 and MUF     United Kingdom and Australia   212/3   2005-09-14
[ 54 ]  
 
Draft liaison statement to Working Parties 6E, 8A and 9C     Australia and United Kingdom   229/3   2005-09-14
[ 53 ]  
 
A model for time and frequency spreading of HF radio signals propagating through the equatorial ionosphere     United Kingdom and Australia   229/3   2005-09-14
[ 52 ]  
 
Proposed draft revision of Recommendation ITU-R P.1239 - ITU-R Reference ionospheric characteristics     United Kingdom and Australia   212/3   2005-09-14
[ 51 ]  
 
Proposed draft revision of Recommendation ITU-R P.373-7     Australia and United Kingdom   212/3   2005-09-14
[ 50 ]  
 
Revision to Recommendation ITU-R P.684-4 - Extension of propagation distance up to 16 000 km in the LF prediction method     Japan   225/3   2005-09-15
[ 49 ]  
 
Seasonal variation of LF/MF sky-wave field strengths     United States of America   225/3   2005-09-13
[ 48 ]  
 
Seasonal changes of a field strength ground wave in LW band     Russian Federation     2005-08-24
[ 47 ]  
 
Liaison statement to Working Party 3L - Digital radio mondiale DRM daytime MW tests     WP 6E   60/6   2005-04-14
[ 46 ]  
 
Liaison statement to WPs 1A, 3L and 6E - Impact of cable and power line telecommunications systems on radiocommunication systems operating in the LF, MF, HF and VHF bands below 80 MHz     WP 7D   221/1   2005-03-29
[ 45 ]  
 
Liaison statement to Working Party 9C with copy to Working Parties 3L, 6E, 8A and 8B - Review of allocations to all services in the HF bands between 4 and 10 MHz     WP 7D     2005-03-29
[ 44 ]  
 
Liaison statement to Working Parties 3L, 7D, 8A, 8B and 9C regarding WRC-07 Agenda item 1.13     WP 6E     2004-11-24
[ 43 ]  
 
Reply to liaison statement to WP 1A and copy to WP 3L for information - Impact of cable and power line telecommunication systems on radiocommunication systems operating in the LF, MF, HF and VHF bands below 80 MHz     WP 6E     2004-11-24
Resultats:92 documents
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Mis à jour le : 2003-10-13