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UIT-R R23-WP3L

Propagation Ionosphérique et Bruit Radioélectrique

Resultats:35 documents
Contributions  Documents / Contributions
 
Numéro 
Titre Source AI/Question
Date
[ 35 ]  
 
Reply liaison statement to Working Party 4C (copy to the SG 7 Chair, the CPM Chair and to Working Parties 3L, 3M, 4B, 5A, 5C, 5D, 7B for information) - WRC-27 agenda item 1.14     WP 7C   AI1.14   2024-09-30
[ 34 ]  
 
Reply liaison statement to Working Party 4C (copy to Working Parties 3L, 3M, 4A, 4B, 5A, 5B, 5C, 5D, 6A, 7B, 7C for information) - Technical information to support the studies for WRC-27 agenda items 1.12 and 1.13     WP 7D   AI1.13, AI1.12   2024-09-27
[ 33 ]  
 
Reply liaison statement to Working Party 5B (copy to Working Parties 3L, 5C, and 6A for information and copy to ICAO for information) - Information on the standard frequency and time signal service with regards to WRC-27 agenda item 1.9 on the modernization of RR Appendix 26     WP 7A   AI1.9   2024-09-23
[ 32 ]  
 
Information on the preparation of texts for the draft CPM Report to WRC-27     Chair, CPM-27     2024-07-09
[ 31 ]  
+Ann.1-15 
Report on the meeting of Working Party 3L (Denver, Colorado, USA, 29 May - 7 June 2024)     Chair, WP 3L     2024-06-08
[ 30 ]  
 
Final list of participants WP 3L (Denver, Colorado, USA, 29 May - 7 June 2024)     Director, BR     2024-06-08
[ 29 ]  
 
List of documents issued (Documents 3L/1 - 3L/29)     BR, Study Groups Department     2024-05-31
[ 28 ]  
 
Reply liaison statement to Working Party 4C (copy to Working Parties 3L, 3M, 4A, 4B, 5A, 5B, 5D, 6A, 7B, 7C and 7D for information) - Fixed service characteristics for use in sharing studies under WRC-27 agenda item 1.13     WP 5C   AI1.13   2024-05-29
[ 27 ]  
 
Liaison statement to ITU-R Working Parties 3L, 5C, 6A and 7A (copy to ICAO for information) - Request for relevant technical information to support studies under WRC-27 agenda item 1.9 in order to review Appendix 26 of the Radio Regulations to support modernization of high-frequency spectrum use in the aeronautical mobile (OR) service     WP 5B   AI1.9   2024-05-28
[ 26 ]  
 
Submission of external noise data to radio noise databank - 2024     United Kingdom     2024-05-17
[ 25 ]  
 
Supporting documentation for MATLAB code for processing white gaussian noise recordings     United Kingdom     2024-05-17
[ 24 ]  
 
Ofcom's long-term radio noise measurement campaign in the United Kingdom - 2024 update     United Kingdom     2024-05-17
[ 23 ]  
 
Towards a set of machine learning methods for radiowave propagation modelling     Canada     2024-05-17
[ 22 ]  
 
Supplement for Recommendation ITU-R P.531 on modelling ionospheric scintillation occurrence variations with geomagnetic latitude     China , France     2024-05-16
[ 21 ]  
 
Supporting information document on Recommendation ITU-R P.1239 - Validation of computational method influence of R12 in foF2 prediction of Recommendation ITU-R P.1239 using ionospheric observations from Chinese region     China     2024-05-16
[ 20 ]  
 
Discussion document on the machine learning model in the field of radio wave propagation     China     2024-05-16
[ 19 ]  
 
Working document towards a preliminary draft revision of Recommendation ITU-R P.533-14 - Update L_y and L_z values     United States     2024-05-13
[ 18 ]  
 
Working document toward a preliminary draft revision of HDB-58 - Update of Handbook 58 on ITU-R propagation prediction methods for interference and sharing studies     United States     2024-05-13
[ 17 ]  
 
Activity Report of Correspondence Group 3M-4 - Software products, digital maps and reference numerical data products     CG 3M-4     2024-05-14
[ 16 ]  
 
Report on activities during April 2023 to April 2024     CG 3L-7     2024-05-05
[ 15 ]  
 
Preliminary draft revision of Recommendation ITU-R P.372 - Step-by-step brightness temperature method - Radio noise     CG 3L-7     2024-05-05
[ 14 ]  
 
Draft new fascicle on the brightness temperature prediction method in Recommendation ITU-R P.372     CG 3L-7     2024-05-05
[ 13 ]  
 
Correspondence Group 3L-20 Activity Report     CG 3L-20     2024-05-03
[ 12 ]  
 
Liaison statement to Working Parties 3L, 4B, 5A, 5C, 5D, 7B, and 7C (copy to Working Party 4A for information, and action if any) - Relevant technical information to support studies under WRC-27 agenda item 1.14     WP 4C   AI1.14   2024-05-01
[ 11 ]  
 
Liaison statement to Working Parties 3L, 3M, 4A, 4B, 5A, 5B, 5C, 5D, 6A, 7B, 7C and 7D - Technical information to support the studies for WRC-27 agenda item 1.13     WP 4C   AI1.13   2024-05-01
[ 10 ]  
 
Liaison statement to Working Parties 3L, 3M, 4B, 5A, 5B, 5C, 5D, 7B, 7C and 7D (copy to Working Party 4A for information, and action if any) - Relevant technical information to support studies under WRC-27 agenda item 1.12     WP 4C   AI1.12   2024-05-01
[ 9 ]  
 
Liaison statement to Working Parties 3L, 3M, 4A, 4B, 5A, 5B, 5C, 5D, 7B, 7C and 7D - WRC-27 agenda item 1.11     WP 4C   AI1.11   2024-05-01
[ 8 ]  
 
Liaison statement to Radiocommunication Study Groups and Working Parties (copy for information to ITU-T and ITU-D Study Groups)     Chair, CCV     2024-04-22
[ 7 ]  
 
Liaison statement to Working Parties 3L, 3M, 4A, 4C, 5A, 5B, 5C, 5D, 6A, 7B and 7D - Relevant technical information to support studies under WRC-27 agenda item 1.17     WP 7C   AI1.17   2024-03-25
[ 6 ]  
 
Liaison statement to Working Party 5B (copy to Working Parties 3L, 5C and 7A) - Protection requirements for the HF broadcasting service relative to WRC-27 agenda item 1.9     WP 6A   AI1.9   2024-03-18
[ 5 ]  
 
Liaison statement to Working Party 4C (copy to Working Parties 3L, 3M, 4A, 4B, 5A, 5B, 5C, 5D, 7B, 7C and 7D) - WRC-27 agenda item 1.13     WP 6A   AI1.13   2024-03-18
[ 4 ]  
 
Liaison statement to CPM Management Team (copy to Working Parties 3L, 3M, 4A, 4B, 4C, 5A, 5B, 5C, 5D, 7B, 7C and 7D) - WRC-27 agenda item 1.11     WP 6A   AI1.11   2024-03-18
[ 3 ]  
 
Liaison statement to Working Party 7C (copy to Working Parties 3L, 3M, 4A, 4C, 5A, 5B, 5C, 5D, 7B and 7D) - WRC-27 agenda item 1.17     WP 6A   AI1.17   2024-03-18
[ 2 ]  
 
Text from WRC-23 Plenary for the attention of the ITU-R Working Parties that are either responsible for or contributing to studies relevant to items of the WRC-27 agenda or the WRC-31 preliminary agenda     Director, BR     2024-01-30
[ 1 ]  
 
Documents to be carried over from the 2019-2023 Study Period     WP 3L     2023-12-06
Resultats:35 documents
 
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