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Radio-astronomy

Results:227 total items.
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Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 127 ]  
 
Liaison statement to Working Parties 7B, 7C and 7D - Informations for studies related to WRC-12 Agenda item 1.25     WP 4C     2009-09-09
[ 126 ]  
 
List of documents issued     BR Study Group Department     2009-09-07
[ 125 ]  
 
Liaison statement to Working Party 7D - Information for studies related to WRC-12 Agenda item 1.25     WP 4C     2009-09-04
[ 124 ]  
 
A working document towards preliminary draft revision of the Report ITU-R RA.2099 - Time scale based on the timing of pulsar ensemble - PTA     Russian Federation     2009-08-28
[ 123 ]  
 
Working document towards a draft new ITU-R Report on characteristics of radio quiet zones - Proposed radio quiet zones around fast in China     China (People's Republic of)   242/7   2009-09-01
[ 122 ]  
 
Working document towards text for the draft CPM Report on WRC-12 Agenda item 1.6 (Resolution 950 (Rev.WRC-07)) on the use of the frequencies between 275 and 3 000 GHz     Korea (Republic of)     2009-09-01
[ 121 ]  
 
Contribution to the preliminary draft new Report ITU-R RA.[DTV] - The transition to digital television and its impact on the unprotected use by the radio astronomy service of bands used for terrestrial television broadcasting     Brazil (Federative Republic of)   145/7   2009-08-31
[ 120 ]  
 
Contribution to draft new Report on radio quiet zones - Studies of the emission management zone around the Dominion Radio Astrophysical Observatory, Penticton, Canada     Canada   242/7   2009-08-28
[ 119 ]  
 
Preliminary draft new Report ITU-R [ESSENTIAL ROLE OBSERVATIONS] - The essential role and global importance of radio spectrum use for Earth observations of environmental change monitoring, disaster mitigation environmental change, weather, water and prediction, detection and mitigation of disasters and for other related science applications     Canada     2009-08-28
[ 118 ]  
 
Preliminary draft new Question ITU-R [GROUND]/7 ground-based passive sensors     Canada     2009-08-28
[ 117 ]  
 
Working document towards a preliminary draft new Recommendation (or Report) - Distant clock comparison by pulsar Giant Radio Pulses     Russian Federation   250/7   2009-08-28
[ 116 ]  
 
Working document towards a preliminary draft new Report - Report ITU-R RA.[THZ-SHARE] - Sharing between the radio astronomy service and active services in the frequency range 1 000-3 000GHz     United States of America     2009-08-28
[ 115 ]  
 
Contribution to preliminary draft new Report ITU-R [ESSENTIAL ROLE OBSERVATIONS] - The essential role and global importance of radio spectrum use for Earth observations of climate change, weather, water and prediction, detection and mitigation of disasters and for other related science applications     United States of America     2009-08-28
[ 114 ]  
 
Change frequency bands in Recommendation ITU-R RA.1417 in part connected with Millimetron mission     Russian Federation   242/7   2009-08-28
[ 113 ]  
 
Radio quiet zone - Pushchino Radio Astronomy Observatory of the Astro Space Centre in the Physics Institute of the Russian Academy of Sciences     Russian Federation   242/7   2009-08-28
[ 112 ]  
 
Contribution to the preliminary draft new Report ITU-R RA.[DTV] - The transition to digital television and its impact on the unprotected use by the radio astronomy service of bands used for terrestrial television broadcasting     Australia   145/7   2009-08-27
[ 111 ]  
 
Working document towards a draft new Report on characteristics of radio quiet zones (RQZs)     Australia   242/7   2009-08-27
[ 110 ]  
 
Proposed liaison statement to Working Parties 1A and 6A - Measurement results of leaked emissions from access power line telecommunication (PLT) system in the HF and the UHF bands     IUCAF   221/1, 218/1   2009-08-27
[ 109 ]  
 
Proposed update to working document towards a preliminary draft new Recommendation ITU-R RA.[1-3 THz]     IUCAF     2009-08-21
[ 108 ]  
 
Working document towards a draft new ITU-R Report on characteristics of radio quiet zones     South Africa (Republic of)   242/7   2009-08-20
[ 107 ]  
 
Modifications to draft CPM text for WRC-12 Agenda item 1.6, Resolution 950 (Rev.WRC-07) and example Resolution for radio astronomy     United States of America     2009-08-19
[ 106 ]  
 
Draft liaison statement to Working Party 5C - WRC-12 Agenda item 1.20 -- HAPS gateway links     United States of America     2009-08-19
[ 105 ]  
 
Radio Astronomy Issues Related to WRC-12 Agenda item 1.13     United States of America     2009-08-19
[ 104 ]  
 
Working document towards a preliminary draft new Report ITU-R RA.[PFD and EIRP Levels Potentially Damaging to Radio Astronomy Receivers]     United States of America   145/7   2009-08-19
[ 103 ]  
 
Preliminary draft new Report ITU-R [ESSENTIAL ROLE OBSERVATIONS] - The essential role and global importance of radio spectrum use for Earth observations of climate change, weather, water, and prediction, detection and mitigation of disasters and for other related science applications     Correspondence Group on Essential role of obser.     2009-08-01
[ 102 ]  
 
Liaison statement to Working Parties 1A, 4A, 4C, 5A, 5B, 5C, 5D, 6A, 7C, 7D and Joint Task Group 5-6 - Development of a Handbook on propagation information for the prediction of interference and coordination distance     WP 3M     2009-06-18
[ 101 ]  
 
Liaison statement to Working Party 7D copy for information to Working Party 1A - Atmospheric absorption in the frequency range 1-350 THz     WP 3J     2009-06-16
[ 100 ]  
 
Liaison statement to Working Party 7D (copy to Working Parties 1A, 4A, 7B and 7C for information) - WRC-11 Agenda item 1.8 - Consideration of technical and regulatory issues relative to the fixed service in the bands between 71 GHz and 238 GHz     WP 5C     2009-06-12
[ 99 ]  
 
Liaison statement to Working Parties 6A, 6B and 6C (copy to Working Parties 4A, 4C, 5A, 7B and 7D for information) - Harmonization of spectrum for use by terrestrial electronic news gathering systems     WP 5C     2009-05-29
[ 98 ]  
 
Liaison statement to Working Party 7D - Revision of Recommendation ITU-R RA.1513-1     WP 4A     2009-05-28
[ 97 ]  
 
Liaison statement to ITU-R Working Party 7D (copy to Working parties 1A and 1C for information) - Impact from PLT systems and measurement methods     WP 6A     2009-05-25
[ 96 ]  
 
Liaison statement to Working Party 5C (copy to WPs 4A, 4C, 5A, 6A, 6C, 7B and 7D for information) - Preliminary draft new Recommendation ITU-R BT.[ENGUSER] - User requirements for electronic news gathering     WP 6B     2009-05-14
[ 95 ]  
 
Reply liaison statement to ITU-R Working Party 5B on studies related to WRC-11 Agenda item 1.15 (copy to Working Parties 5A, 5C and 7B and 7D for information) - Consider possible allocations in the frequency range 3-50 MHz to the radiolocation service for oceanographic radar applications     WP 6A   240/5   2009-05-13
[ 94 ]  
 
Reply liaison statement to ITU-R Working Parties 5B and 5C (copy to Working Parties 5A, 7B and 7D for information) - Consider possible allocations in the frequency range 3-50 MHz to the radiolocation service for oceanographic radar applications     WP 6A     2009-05-13
[ 93 ]  
 
Liaison statement to Working Party 5C - Progress on WRC-11 Agenda item 1.5 - Harmonization of spectrum for use by terrestrial electronic news gathering systems     WP 6A     2009-05-13
[ 92 ]  
 
Liaison statement to Working Parties 5C and 6B for action and to Working Parties 3M, 4B, 5A, 6A and 7D for information on WRC-11 Agenda item 1.13     WP 4A     2009-05-11
[ 91 ]  
 
Liaison statement to Working Party 5B (copy to Working Parties 3M and 7D for information) - Compatibility studies between the radiolocation service and the fixed-satellite service     WP 4A     2009-05-11
[ 90 ]  
 
ITU-R Study Group 4 Question to be brought to the attention of Study Groups 5 and 7     BR Study Group Department     2009-05-04
[ 89 ]  
 
Information on activities and output documents of ITU-T Focus Group ICTs & CC     Chairman ITU-T FG ICTs & CC     2009-04-02
[ 88 ]  
 
Liaison statement to Radiocommunication Study Groups and Working Parties     Chairman, CCV     2009-03-20
[ 87 ]  
 
Liaison statement to ITU-R Study Group 3 and Working Parties 4A, 4C, 5A, 5B, 6A, 7C, 7D (copy to WPs 5C, 5D, 6C and 7B for information) on the study of software-defined radio and cognitive radio systems     WP 1B     2009-03-19
[ 86 ]  
 
Liaison statement to Working Parties 7C and 7D - WRC-11 Agenda item 1.6/1, Resolution 950 (Rev.WRC-07)     WP 1A     2009-03-17
[ 85 ]  
 
Liaison statement (copy to Working Parties 1C and 6A for information) - Impact of power line telecommunication systems on radiocommunication systems operating in the LF, MF, HF and VHF bands below 80 MHz     WP 1A   218/1, 221/1   2009-03-17
[ 84 ]  
 
Liaison statement to Working Parties 4A, 4C, 5A, 5B, 5D, 6A, 7C and 7D on WRC-11 Agenda item 1.22     WP 1A     2009-03-17
[ 83 ]  
 
Liaison statement - WRC-11 Agenda item 1.6     WP 1A     2009-03-17
[ 82 ]  
+Ann.1-8 
Report of the meeting of Working Party 7D (16-20 February 2009)     Chairman, WP 7D     2009-02-20
[ 81 ]  
 
Final list of Participants (Geneva, 16-19 February 2009)     Director, BR     2009-02-19
[ 80 ]  
 
Liaison statement - Questionnaire from ITU-T Focus Group on ICT and climate change     Chairman, FC ICT&CC     2009-02-17
[ 79 ]  
 
List of documents issued     BR Study Group Department     2009-02-13
[ 78 ]  
 
Contribution to the preliminary draft new Report ITU-R RA.[DTV] - The transition to digital television and its impact on the unprotected use by the radio astronomy service of bands used for terrestrial television broadcasting     Japan   145/7   2009-02-06
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