International Telecommunication Union   ITU
Français  Espańol
 
Site map Contact Us Print version
  Home : ITU-R : WP3L : Contributions  Recently posted -  Search Meeting Documents
   
ITU-R WP3L  C 

ITU-R WP3L

Ionospheric Propagation and Radio Noise

Results:106 total items.
Result page:  Previous -  1 - 2 - 3  - Next Next
Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 56 ]  
 
Liaison statement to Working Parties 1C, 3L and 5B (copy to Working Parties 5A and 5C) - HF radio noise measurements at sea     WP 1A     2017-12-12
[ 55 ]  
 
Liaison statement to Working Parties 1A, 1B, 1C, 3L, 5A and 5C - Working document towards a preliminary draft new Report ITU-R M.[HF NOISE AT SEA]     WP 5B     2017-11-20
[ 54 ]  
 
Liaison statement to ITU-R Working Party 7C (copy to ITU-R Working Parties 3L, 5A, 5B and 5C for information) - Technical and operational characteristics for systems operating within the 40-50 MHz frequency range     WP 6A     2017-10-24
[ 53 ]  
+Ann.1-10 
Report on the meeting of Working Party 3L (Geneva, 23 - 31 August 2017)     Chairman, WP 3L     2017-09-01
[ 52 ]  
 
Final list of participants - Working Party 3L (Geneva, 23-31 August 2017)     Director, BR     2017-08-31
[ 51 ]  
 
List of documents issued (Documents 3L/23 - 3L/51)     BR Study Groups Department     2017-08-22
[ 50 ]  
 
Supplement to pictures of Recommendation ITU-R P.368-9     China (People's Republic of)     2017-08-14
[ 49 ]  
 
Proposed modification to Recommendation ITU-R P.531-12: A new predicting method of ionospheric scintillation occurrence probability over the global low-latitude Region for assessing the impact of ionospheric irregularities on trans-ionospheric radio systems     China (People's Republic of)     2017-08-14
[ 48 ]  
 
Proposed new ITU-R Question - Computation of ionospheric indices     France     2017-08-11
[ 47 ]  
 
Improved prediction method of ionospheric scintillation     France     2017-08-11
[ 46 ]  
 
Draft reply liaison statement to Working Party 7C - WRC-23 agenda item regarding EESS (active) around the 45 MHz frequency region     United States of America     2017-08-11
[ 45 ]  
 
Proposed draft revision to Recommendation ITU-R P.531-13 to extend the lower limit of applicability to 40 MHz     United States of America     2017-08-11
[ 44 ]  
 
Proposal for a draft new Report on the indoor radio environment     Japan   Q214/3   2017-08-10
[ 43 ]  
 
Editorial correction of Recommendation ITU-R P.684     Japan     2017-08-10
[ 42 ]  
 
Proposal for a new Report on Recommendation ITU-R P.684-6 - An evaluation of the numerical prediction method of field strength for LF radio waves based on wave-hop propagation theory     Japan     2017-08-10
[ 41 ]  
 
A new ionospheric storm scale based on TEC and FOF2 statistics     Japan     2017-08-10
[ 40 ]  
 
Contribution towards a provisional draft revised Recommendation ITU-R P.684-7     United Kingdom of Great Britain and Northern Ireland     2017-08-07
[ 39 ]  
 
Proposed revision of Recommendation ITU-R P.372 - Radio Noise     United Kingdom of Great Britain and Northern Ireland     2017-08-07
[ 38 ]  
 
A discussion paper on radio noise     United Kingdom of Great Britain and Northern Ireland   Q214/3   2017-08-07
[ 37 ]  
 
Draft revision of Recommendation ITU-R P.531-13 - Ionospheric propagation data and prediction methods required for the design of satellite services and systems     United Kingdom of Great Britain and Northern Ireland   Q218/3   2017-08-07
[ 36 ]  
 
Draft reply to the liaison statement from Working Party 7C - WRC-23 agenda item regarding EESS (active) around the 45 MHz frequency Region     United Kingdom of Great Britain and Northern Ireland     2017-08-07
[ 35 ]  
(Rev.1) 
Conversion software for SCINTEX     European Space Agency     2017-07-18
[ 34 ]  
 
Reply liaison statement to Working Party 1A (copy for information to Working Parties 3L, 5A, 5B, 5C, 6A, 7A and 7D) - Assessment of the impact of unwanted radio frequency energy generated by non-radiocommunication equipment to radiocommunication services     WP 1C     2017-07-07
[ 33 ]  
 
Liaison statement to Working Parties 5A, 5B and 5C (copied to Working Parties 3L and 6A for information) - Technical and operational characteristics for systems operating within the 40-50 MHz frequency range     WP 7C     2017-04-13
[ 32 ]  
 
Information paper on ionospheric propagation corrections to lower the applicable frequency range of Recommendation ITU-R P.531-13 to 30 MHz     United States of America     2017-03-13
[ 31 ]  
 
Liaison statement to Working Parties 1C, 3L, 5A, 5B, 5C, 6A, 7A and 7D - Assessment of the impact of unwanted radio frequency energy generated by non-radiocommunication equipment to radiocommunication services (Questions ITU-R 221-2/1 and ITU-R 236/1)     WP 1A     2016-12-13
[ 30 ]  
 
Liaison statement to Working Party 7C (copied to Working Parties 3L, 5B, 5C and 6A for information) - Technical and operational characteristics for systems operating within the 40-50 MHz frequency range     WP 5A     2016-11-23
[ 29 ]  
 
Reply liaison statement to ITU-D Study Group 2 (copy to Working Parties 1B, 1C, 3L, 4A, 5A, 5C, 6A for information) - ITU-D Question 7/2: strategies and policies concerning human exposure to electromagnetic fields     WP 5B     2016-11-18
[ 28 ]  
 
Reply liaison statement to ITU-D Study Group 2, Working Party 1C (copy to Working Parties 1B, 3L, 4A, 5A, 5B, 6A for information) - ITU-D Question 7/2: strategies and policies concerning human exposure to electromagnetic fields     WP 5C     2016-11-16
[ 27 ]  
 
Reply liaison statement to Working Party 3L - WRC-23 agenda item 2.2 regarding EESS(active) around the 45 MHz frequency Region     WP 7C   AI2.2.   2016-10-28
[ 26 ]  
 
Liaison statement from ITU-D Study Group 2 Question 9/2 to ITU-T and ITU-R Study Groups on ongoing collaboration     ITU-D SG 2     2016-10-24
[ 25 ]  
 
Liaison statement to Working Party 7C - WRC-23 agenda item 2.2 regarding EESS (active) around the 45 MHz frequency region     Chairman, WP 3L   AI2.2   2016-09-19
[ 24 ]  
 
Information document on the updated tentative meeting schedule of Study Group 3 and its Working Parties     Chairman, SG 3     2016-08-12
[ 23 ]  
+Ann.1-2 
Report on the meeting of Working Party 3L (Geneva, 22-29 June 2016)     Chairman, WP 3L     2016-07-04
[ 22 ]  
 
Final list of participants - Working Party 3L (Geneva, 22-29 June 2016)     Director, BR     2016-06-29
[ 21 ]  
 
List of documents issued (Documents 3L/1 - 3L/21)     BR Study Groups Department     2016-06-20
[ 20 ]  
 
The measurement of indoor radio noise     Chairman, WP 3L   214-5/3   2016-06-15
[ 19 ]  
 
Liaison statement to Working Parties 1C & 3L (copy for information to Working Parties 5A, 5B, 5C, 6A, 7A & 7D) - Assessment of the impact of other emissions to Radiocommunication services (Questions ITU-R 221-2/1 & ITU-R 236/1)     WP 1A     2016-06-15
[ 18 ]  
 
Proposal for revision of Recommendation ITU-R P.684-6 - Revision of numerical method for calculating resultant field strength and phase     Japan     2016-06-13
[ 17 ]  
 
Indoor radio noise data in Japan proposed for radio noise databank     Japan     2016-06-13
[ 16 ]  
 
SCINTEX editorial changes     European Space Agency     2016-06-13
[ 15 ]  
 
Supplement for Recommendation ITU-R P.531-12 - On the conversion function between the S4 index and the peak-to-peak fluctuation Pfluc (dB)     China (People's Republic of)     2016-06-12
[ 14 ]  
 
Editorial corrections to Recommendation ITU-R P.1239-3     United States of America     2016-06-13
[ 13 ]  
 
Information - Comparison of HF predictions for revised sunspot numbers     United States of America     2016-06-13
[ 12 ]  
 
Modelling of L-band ionospheric disturbances at high latitude     France , Norway   Q218/3, Q213/3, Q212/3   2016-06-10
[ 11 ]  
 
This document has been withdrawn     BR Study Groups Department     2016-06-10
[ 10 ]  
 
Additions and amendments to the Handbook on "Ionosphere and its influence on propagation of radiowaves"     Russian Federation     2016-06-09
[ 9 ]  
 
Reply liaison statement to ITU-T Study Group 5, ITU-R Working Parties 5D and 6A (copy for information to Working Parties 3L, 1B, 1C and ITU-D Study Group 2) - Human exposure to electromagnetic fields (EMFS)     WPs 5A, 5B and 5C     2016-05-20
[ 8 ]  
(Rev.1) 
Draft revision of Recommendations ITU-R P.525, ITU-R P.341 and ITU-R P.372 - Antennas close to the ground and related matters     United Kingdom of Great Britain and Northern Ireland     2016-05-13
[ 7 ]  
 
Liaison statement to Working Parties 3L, 3M and 3J - WRC-23 agenda item 2.2 regarding EESS (active) around the 45 MHz frequency region     WP 7C     2016-04-11
Results:106 total items.
Result page:  Previous -  1 - 2 - 3  - Next Next
 
Multiple Document Download: Check the boxes of the selected documents, then click "Zip and download"
   
 
User preferences: 
Multiple Document Download: Formats and Languages to be included (when available):
HTML Navigation Pages  
Formats  + Other formats
Languages (maximum 2)  + Multilingual 
(E: English - F: French - S: Spanish - A: Arabic - C: Chinese - R: Russian)

Top -  Feedback -  Contact Us -  Copyright © ITU 2008 All Rights Reserved
Contact for this page :  ITU-R Web coordinator
Updated : 2019-06-26