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Ionospheric propagation

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