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Radioastronomie

Resultats:8 documents
Contributions  [ Source: Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science ]   Documents / Contributions
 
Numéro 
Titre Source AI/Question
Date
[ 229 ]  
 
Working document toward a preliminary draft new Recommendation ITU-R RA.[PASSIVE BAND PROTECTION] - Protection of the radio astronomy service operating in frequency bands subject to RR No. 5.340     Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science     2023-09-21
[ 228 ]  
 
Working document toward a preliminary draft revision of Recommendation ITU-R RA.1513 - Levels of data loss to radio astronomy observations and percentage of time criteria resulting from degradation by interference for frequency bands allocated to the radio astronomy service on a primary basis and shared with active services     Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science     2023-09-21
[ 227 ]  
 
Working document toward a preliminary draft new Report ITU-R RA.[LUNAR RADIO ASTRONOMY] - Lunar Radio Astronomy     Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science   Q260/7   2023-09-21
[ 179 ]  
 
Draft revision of Report ITU-R RA.2188-0 (2010) - Power flux-density and e.i.r.p. levels potentially damaging to radio astronomy receivers     Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science     2022-08-31
[ 145 ]  
 
Request for characteristics of SRS data relay system links needed to enable compatibility studies with the radio astronomy service - WRC-23 agenda item 1.13     Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science   AI1.13   2022-04-12
[ 143 ]  
 
Working document toward a preliminary draft new Question ITU-R XXX/7 - Facilitation of radio astronomy service operations in the Shielded Zone of the Moon     Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science     2022-04-11
[ 52 ]  
 
Draft liaison statement to Working Parties 4C and 5B - WRC-23 agenda item 1.6 - Consideration of the use of MSS frequency bands near 1.6 GHz to support communications for sub-orbital vehicles - Revision of Recommendation ITU-R M.1361 to correct its obsolete reference to 10% data loss to radio astronomy in Recommendation ITU-R RA.1031     Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science   AI1.6   2021-02-22
[ 51 ]  
 
Draft liaison to Working Party 1B (copy to Working Party 4C) - Frequency ranges for global or regional harmonization of short range devices - Draft revision of Recommendation ITU-R SM.1896-1 to include operation of assistive listening devices at 1 656.5-1 660.5 MHz     Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science     2021-02-11
Resultats:8 documents
 
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Mis à jour le : 2025-5-13