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Radio Astronomy

Results:222 total items.
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Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 172 ]  
 
Reply liaison statement to Working Party 4A (copy for information to Working Parties 3M, 4C, 5A, 5D, 7B, 7C and 7D) - Clarification of HAPS characteristics and studies     WP 5C   AI1.14   2018-06-05
[ 171 ]  
 
Reply liaison statement to Working Party 5D (copy for information to Working Parties 3M, 4A, 4C, 5A, 7B, 7C and 7D) - Information on Adaptive Transmit Power Control (ATPC)     WP 5C   AI1.14   2018-06-05
[ 170 ]  
 
Liaison statement to ITU-R Working Parties 4A, 4C, 5A, 5D, 7B, 7C, 7D and Task Group 5/1 (copy for information to Working Parties 3M and 5B) - Progress on WRC-19 agenda item 1.14     WP 5C   AI1.14   2018-06-05
[ 169 ]  
 
IUCAF - CRAF views on necessary elements of HAPS - RAS compatibility studies for agenda item 1.14 - Separation distances, angular avoidance cone angles, OOB attenuation and system characteristics for HAPS platform downlinks in spectrum bands near 21, 24 & 31 GHz for information agenda item 1.14     Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science , Committee on Radio Astronomy Frequencies   AI1.14   2018-06-03
[ 168 ]  
 
Liaison statement to Working Party 7D - Coexistence between high-speed railway radiocommunication system between train and trackside operating in the frequency bands 92-94 GHz, 94.1-100 GHz and 102-109.5 GHz, and active and passive services     WP 5A     2018-06-01
[ 167 ]  
 
Liaison statement to Working Parties 4A, 4C, 7B, 7C and 7D - Revision of Recommendation ITU-R F.1245     WP 5C     2018-05-31
[ 166 ]  
 
Reply liaison statement to ITU-R Working Party 5C (copy for information to Working Parties 3M, 4A, 4C, 5B, 5D, 7B, 7C, 7D and Task Group 5/1) - WRC-19 agenda item 1.14     WP 5A   AI1.14   2018-05-25
[ 165 ]  
 
Liaison statement to Working Parties 4A, 4C, 5A, 5B, 5C, 5D, 6A, 7C and 7D concerning WRC-19 agenda item 1.7 - Status of WRC-19 agenda item 1.7     WP 7B   AI1.7   2018-05-21
[ 164 ]  
+Ann.1-6 
Report of the meeting of Working Party 7D (Geneva, 14-18 May 2018)     Chairman, WP 7D     2018-05-18
[ 163 ]  
 
Final List of Participants - Working Party 7D (Geneva, 14-18 May 2018)     Director, BR     2018-05-18
[ 162 ]  
 
List of documents issued (Document 7D/119 - 7D/162)     BR Study Groups Department     2018-05-11
[ 161 ]  
 
Comments on the working document towards a preliminary draft new Report ITU-R M.[RAS-COMPAT]     Committee on Radio Astronomy Frequencies     2018-05-07
[ 160 ]  
 
Proposal for additional studies in the working document towards a preliminary draft new Report ITU-R S.[50/40 GHZ ADJACENT BAND STUDIES]     Committee on Radio Astronomy Frequencies     2018-05-07
[ 159 ]  
 
Comments on the working document towards draft CPM text for WRC-19 agenda item 1.6     Committee on Radio Astronomy Frequencies   AI1.6   2018-05-07
[ 158 ]  
 
Draft reply liaison statement to Working Party 5C - WRC-19 agenda item 1.14     Committee on Radio Astronomy Frequencies   AI1.14   2018-05-07
[ 157 ]  
 
Working document towards a preliminary draft new Revision of Report ITU-R RA.2189-0 "Sharing between the radio astronomy service and active services in the frequency range 275-3 000 GHz"     United States of America     2018-05-06
[ 156 ]  
 
Updates to the working document towards modifications to the list of radio telescopes capable of operating in the frequency band 10.6-10.7 GHz in Annex 2 to Recommendation ITU-R RS.2066-0     United States of America     2018-05-06
[ 155 ]  
 
Modifications to the working document towards preliminary draft new Report ITU-RA.[COEXISTENCE]: Coexistence between the radio astronomy service and radiolocation service applications in the frequency band 76-81 GHz     United States of America     2018-05-06
[ 154 ]  
 
Proposal for revision of Recommendations ITU-R RA.314 and ITU-R RA.1860     Committee on Radio Astronomy Frequencies     2018-05-06
[ 153 ]  
 
Proposed additional text towards completion of a preliminary draft new Report ITU-R RA.[DISTRIB_RAS_REG] - Parameters needed for the registration of distributed radio astronomy systems     Square Kilometre Array Organisation , Netherlands (Kingdom of the)   Q252/7   2018-05-04
[ 152 ]  
 
Reply liaison statement to ITU-R Working Party 7A on UTC (copy to Working Parties 4A, 4B, 4C, 5A, 5B, 5C, 5D, 6A, 6C, 7B, 7C and 7D) - Study on Resolution 655 (WRC-15) «Definition of time scale and dissemination of time signals via radiocommunication systems» regarding broadcasting systems     WP 6B     2018-05-04
[ 151 ]  
 
Draft reply liaison statement to Working Party 7A from Working Party 7C - UTC application in radio astronomy service systems     Russian Federation     2018-05-03
[ 150 ]  
 
Draft reply liaison statement to Working Party 4A agenda item 9.1, issue 9.1.9 - Annex 52 to Working Party 4A Chairman Report 4A/675 - Draft CPM text     Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science   AI9.1   2018-04-29
[ 149 ]  
 
Draft reply liaison statement to Working Party 4A agenda item 9.1, issue 9.1.9 - Annex 3 to Working Party 4A Chairman's Report 4A/675 - Preliminary draft new Report ITU-R S.[SPECTRUM_SHARING]: Sharing with incumbent service in the 51.4-52.4 GHz band and adjacent and nearby bands     Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science   AI9.1   2018-04-29
[ 148 ]  
 
Draft reply liaison statement to Working Party 4C - WRC-19 agenda item 1.8 - Working document towards a preliminary draft new Report ITU-R M.[RAS-COMPAT] - Unwanted emissions in the RAS band from space-to-Earth transmissions     Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science   AI1.8   2018-04-29
[ 147 ]  
 
Draft reply liaison statement to Working Party 4A agenda item 1.6 - Draft CPM text     Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science   AI1.6   2018-04-29
[ 146 ]  
 
Draft reply liaison statement to Working Party 4A - WRC-19 agenda item 1.6 - Draft documents including draft CPM text related to WRC-19 agenda item 1.6, Resolution 159 (WRC-15)     Scientific Committee on Frequency Allocations for Radio Astronomy and Space Science   AI1.6   2018-04-29
[ 145 ]  
 
Reconsideration of RR Article No. 4.6     Director, BR     2018-04-23
[ 144 ]  
 
Working document towards modifications to the list of radio telescopes capable of operating in the frequency band 10.6-10.7 GHz in Annex 2 to Recommendation ITU-R RS.2066 - Switzerland proposes the inclusion of an additional Swiss radio astronomy station in Annex 2 of Recommendation ITU-R RS.2066-0 - List of radio astronomy stations capable of operating in the band 10.6-10.7     Switzerland (Confederation of)     2018-03-23
[ 143 ]  
 
Liaison statement to Working Parties 4B, 5A, 5C, 5D, 7C and 7D regarding WRC-19 agenda item 9.1, issue 9.1.9     WP 4A   AI9.1   2018-03-21
[ 142 ]  
 
Reply liaison statement to Working Party 5C (copy for information to Working Parties 3M, 4C, 5A, 5D, 7B, 7C and 7D) - WRC-19 agenda item 1.14     WP 4A   AI1.14   2018-03-21
[ 141 ]  
 
Liaison statement to Working Party 5B (copy for information to Working Parties 4B, 4C, 5A, 5C, 5D, 6A, 7B, 7C, 7D and 3M) - Draft documents including draft CPM text related to WRC-19 agenda item 1.10, Resolution 426 (WRC-15)     WP 4A   AI1.10   2018-03-21
[ 140 ]  
 
Liaison statement to Working Parties 4C, 5A, 5B, 5C, 5D, 6A, 7B, 7C and 7D - Draft documents including draft CPM text related to WRC-19 agenda item 1.6, Resolution 159 (WRC-15)     WP 4A   AI1.6   2018-03-21
[ 139 ]  
 
Liaison statement to Working Party 7D (copy for information to Working Party 5B) - Unwanted emissions in the RAS band from space-to-Earth transmissions from MSS satellites     WP 4C     2018-03-09
[ 138 ]  
 
Liaison statement to Working Party 5B (Copy for information to Working Party 7D) - Matters related to WRC-19 agenda item 1.8 resolves 2     WP 4C   AI1.8   2018-03-09
[ 137 ]  
 
Recommendation ITU-R F.699-8 - Reference radiation patterns for fixed wireless system antennas for use in coordination studies and interference assessment in the frequency range from 100 MHz to 86 GHz     SG 5     2018-03-06
[ 136 ]  
 
Reply liaison statement to Working Party 7A (copy to Working Parties 4A, 4C, 5A, 5B, 5C, 5D, 6A, 6B, 6C, 7B, 7C and 7D) - Study on Resolution 655 (WRC-15) «Definition of time scale and dissemination of time signals via radiocommunication systems» regarding FSS/MSS/BSS     WP 4B     2018-02-23
[ 135 ]  
 
Liaison statement to Working Party 4B (copy to Working Parties 4C, 5A, 5B, 5C, 5D, 6A, 6B, 6C, 7A, 7B, 7C and 7D) - Study on Resolution 655 (WRC-15) "Definition of time scale and dissemination of time signals via radiocommunication systems" regarding FSS/BSS     WP 4A     2018-02-20
[ 134 ]  
 
Reply liaison statement to Working Party 7A (copy to Working Parties 4A, 4B, 5A, 5B, 5C, 5D, 6A, 6B, 6C, 7B, 7C and 7C) - Study on Resolution 655 (WRC-15) "Definition of time scale and dissemination of time signals via radiocommunication systems" regarding RNSS systems     WP 4C     2018-02-20
[ 133 ]  
 
Liaison statement reply to ITU-R Working Party 5C (copied for information to Working Parties 3M, 4A, 4C, 5A, 7B, 7C and 7D) - WRC-19 agenda item 1.14     WP 5D   AI1.14   2018-02-12
[ 132 ]  
 
Recommendation ITU-R F.1766-0 has been editorially updated and is brought to the attention of Working Party 7D     SG 5     2018-01-08
[ 131 ]  
 
Liaison statement to Working Parties 5A, 5C, 7C and 7D on the preparations for WRC-19 agenda item 1.15 - Request for input as related to WRC-19 agenda item 1.15     WP 1A   AI1.15   2017-12-12
[ 130 ]  
 
Liaison statement to Working Parties 7C and 7D (copied to Working Party 5B for information) - Coexistence between high-speed railway radiocommunication system between train and trackside operating in the frequency bands 92-94 GHz, 94.1-100 GHz and 102-109.5 GHz, and active and passive services     WP 5A     2017-11-22
[ 129 ]  
 
Liaison statement to ITU-R Working Parties 4A, 4C, 5A, 5D, 7B, 7C, 7D and Task Group 5/1 (and copy to Working Parties 3M and 5B for information) - WRC-19 agenda item 1.14     WP 5C   AI1.14   2017-11-22
[ 128 ]  
 
Liaison statement to Working Parties 4A, 4C, 5A, 5B, 5D, Task Group 5/1, 6A, 7B, 7C and 7D - Revision of Recommendation ITU-R F.699-7 - Reference radiation patterns for fixed wireless system antennas for use in coordination studies and interference assessment in the frequency range from 100 MHz to about 70 GHz     WP 5C     2017-11-22
[ 127 ]  
 
Reply liaison statement to Working Party 7D on avoiding interference to the RAS by harmonic of satellite downlink emissions     WP 5B   AI1.9.2   2017-11-20
[ 126 ]  
 
Liaison statement to Working Parties 4A, 4B, 4C, 5A, 5C, 5D, 6A, 7C, 7B, 7D and 3M - Draft documents including draft CPM text related to WRC-19 agenda item 1.10, Resolution 426 (WRC-15)     WP 5B   AI1.10   2017-11-20
[ 125 ]  
 
Liaison statement to Working Parties 7C and 7D - Foreign Object Debris detection system operating in the band 92-100 GHz     WP 5B     2017-11-20
[ 124 ]  
 
Reply liaison statement to ITU-R Working Party 1A (copy for information to Working Parties 5C, 7C and 7D) - WRC-19 agenda item 1.15     WP 5A   AI1.15   2017-11-17
[ 123 ]  
 
Liaison statement to ITU-R Working Party 1A (copy to Working Parties 5A, 7C and 7D) - Input as related to WRC-19 agenda item 1.15     WP 5C   AI1.15   2017-11-17
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