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Ionospheric propagation

Results:92 total items.
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Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 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
[ 42 ]  
 
Reply to liaison statement to WP 3L - Ionospheric parameters in connection with modelling approaches in support of adaptive HF communication systems in the fixed service     WP 6E     2004-11-23
[ 41 ]  
+Ann.1-18 
Report on the meeting of Working Party 3L (Geneva, 25-27 October 2004)     Chairman, WP 3L     2004-10-29
[ 40 ]  
 
Final list of Participants     Director, BR     2004-10-26
[ 39 ]  
 
List of documents issued     BR Study Group Department     2004-10-22
[ 38 ]  
 
Liaison statement to WPs 3L, 6E, 7A, 7D, 8A, 8B and 9C - Impact of cable and power line telecommunications systems on radiocommunications systems operating in the LF, MF, HF and VHF bands below 80 MHz     WP 1A     2004-10-20
[ 37 ]  
 
Progress towards the revision of the Recommendation ITU-R P.313-9 and the provision of information relating to short-term prediction     United Kingdom of Great Britain and Northern Ireland   213-1/3   2004-10-12
[ 36 ]  
 
Improvements in the modelling of day to day variability of ionospheric characteristics     United Kingdom of Great Britain and Northern Ireland   229/3   2004-10-12
[ 35 ]  
 
Progress towards the revision of the maps for FOF2     United Kingdom of Great Britain and Northern Ireland   212-1/3   2004-10-12
[ 34 ]  
 
Draft response to the liaison statement from Working Party 9C (Doc. 3L/18) - Ionospheric parameters in connection with modelling approaches in support of adaptive HF communication systems in the fixed service     United Kingdom of Great Britain and Northern Ireland     2004-10-12
[ 33 ]  
 
Measurements of the Doppler and multipath spread of HF signals received over a path oriented along the mid-latitude trough     United Kingdom of Great Britain and Northern Ireland   229/3, 227-1/3   2004-10-12
[ 32 ]  
 
Modelling the ionospheric trough     United Kingdom of Great Britain and Northern Ireland   229/3, 212/3   2004-10-12
[ 31 ]  
 
The concept of HF nomaly domain     Brazil (Federative Republic of)   229/3   2004-10-11
[ 30 ]  
 
Selection of the path's reference points in LF/MF skywave prediction     LS telcom AG   225/3   2004-10-11
[ 29 ]  
 
Propagation at frequencies below about 2 MHz - Chairman's Report for the period of November 2003 to October 2004     Chairman, Rapporteur Group 3L-RG2     2004-10-11
[ 28 ]  
 
Proposed revision of Recommendation ITU-R P.684-3 - Prediction of field strength at frequencies below about 150 kHz     Japan   225/3   2004-10-07
[ 27 ]  
 
Nation-wide survey for measuring LF wave field strengths in winter     Japan   225/3   2004-10-07
[ 26 ]  
(Rev.1) 
Liaison statement to WPs 3L, 6E, 7D, 8A and 8B - Draft CPM text for WRC-07 Agenda item 1.13     WP 9C     2004-10-06
[ 25 ]  
+Add.1 
Measurements and Data Banks     Rapporteur Group 3L-RG4, Chairman's Report   225/3   2004-09-30
[ 24 ]  
 
Working document toward a preliminary draft new Recommendation - Radiation and propagation of emissions from access PLT systems using overhead power lines     United States of America   228/3   2004-10-05
[ 23 ]  
 
Boundaries for Europe in LF/MF software     LS Telcom AG     2004-09-30
[ 22 ]  
 
Correction in summation of nuissance field in Recommendation ITU-R P.842-2     LS Telcom AG     2004-09-29
[ 21 ]  
 
Prediction of propagation parameters for HF digital systems     Australia   229/3   2004-09-27
[ 20 ]  
 
Liaison statement to WP 9C (Copy to WP 6E for information) - Ionospheric parameters in connection with modelling approaches in support of adaptive HF communication systems in the fixed service     Chairman WP 3L     2004-09-16
[ 19 ]  
 
Liaison statement to WPs 3L, 8A and 9C - Establishment of a Rapporteur for the preparation of CPM-06 text on Agenda item 1.13, Resolution 544     WP 6E     2004-05-18
[ 18 ]  
 
Liaison statement to WP 3L (copy to WP 6E for information) - Discussion of ionospheric parameters for consideration by WP 3L in connection with modelling approaches supporting adaptive HF communication systems in the fixed service     WP 9C     2004-02-27
Results:92 total items.
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