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Ionospheric propagation

Results:92 total items.
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Contributions  Documents / Contributions
 
Number 
Received Source Title Questions
[ 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     N/A  
[ 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     N/A  
[ 63 ]  
 
2005-10-14 WP 6E   Liaison statement to Working Party 3L - The specification of system performance parameters for digital HF broadcasting     N/A  
[ 62 ]  
+Ann.1-14 
2005-10-11 Chairman, WP 3L   Chairman's Report - Meeting in Cleveland, USA (4 - 7 October 2005)     N/A  
[ 61 ]  
 
2005-10-25 Director, BR   Final list of participants     N/A  
[ 60 ]  
 
2005-09-21 BR Study Group Department   List of documents issued     N/A  
[ 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     N/A  
[ 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     N/A  
[ 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     N/A  
[ 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     N/A  
[ 44 ]  
 
2004-11-24 WP 6E   Liaison statement to Working Parties 3L, 7D, 8A, 8B and 9C regarding WRC-07 Agenda item 1.13     N/A  
[ 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     N/A  
Results:92 total items.
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