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Radio Astronomy

Results:244 total items.
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Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 144 ]  
 
Liaison statement to Working Party 7B (copy to Working Parties 3K, 3M, 4A, 5A, 5C, 7C and 7D) - Report on progress of activities relating to WRC-23 agenda item 1.13     WP 5B   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
[ 142 ]  
 
Adding symbol to the ninth ITU Radio Regulations band and revising Recommendation ITU-R V.431-8 - Nomenclature: Number 12, THF 300 to 3 000 GHz, Decimillimetric waves     ATDI   Q228/3   2022-04-06
[ 141 ]  
 
Report on the CPM-23 - Chapter 3 - Issues (and Chapter 5 - Science topics)     CPM-23 Rapporteur, Chapter 3-Science Issues   AI9.1D), AI9.1A), AI1.14, AI1.13, AI1.12   2022-04-05
[ 140 ]  
 
Liaison statement to Working Party 5D (copy to Working Parties 3K, 3M, 4A, 4C, 5A, 5B, 5C, 7B, 7C and 7D) - WRC-23 agenda item 1.4     WP 6A   AI1.4   2022-03-30
[ 139 ]  
 
Amendments to the working document towards a preliminary draft new Report on geodetic VLBI     Chairman, CG on Geodetic VLBI     2022-03-29
[ 138 ]  
 
Report of activities of the Correspondence Group on Geodetic VLBI to Working Party 7D     Chairman, CG on Geodetic VLBI     2022-03-29
[ 137 ]  
 
Liaison statement to Working Parties 3J, 3K, 3M, 4A, 4C, 5A, 5B, 5C, 6A, 7B, 7C and 7D - WRC-23 agenda item 1.4     WP 5D   AI1.4   2022-03-04
[ 136 ]  
 
Reply liaison statement to Working Party 7D - Working document towards a preliminary draft new Report ITU-R RA.[RAS-IMT-COMPAT-43-GHz]     WP 5D     2022-03-04
[ 135 ]  
(Rev.1) 
Contribution from the Iran (Islamic Republic of) to all ITU-R Working Parties dealing with WRC-23 agenda items regarding the status of the secondary allocation in relation with WRC-23 agenda items     Iran (Islamic Republic of)     2022-02-09
[ 134 ]  
 
Note to the Chairman of Working Party 5D (copy to Chairmen of Working Parties 3J, 3K, 3M, 4A, 4C, 5A, 5B, 5C, 6A, 7B, 7C and 7D for information) - WRC-23 agenda item 1.4 - Propagation information requested from Working Party 5D     CG 3J-3K-3M-14   AI1.4   2022-01-31
[ 133 ]  
 
Note to the Chairmen of Working Parties 5C, 7C and 7D - Adjacent band compatibility between fixed service and EESS (passive) systems operating in bands above 92 GHz and up to 174.8 GHz     Chairmen, WPs 3J, 3K and 3M     2021-12-21
[ 132 ]  
 
Reply liaison statement to Working Party 4C (copy for information to Working Party 7D) - WRC-23 agenda item 1.11, Resolution 361 (Rev.WRC-19)     WP 5B   AI1.11   2021-12-21
[ 131 ]  
 
GASS 2021: Recent URSI Resolutions and Recommendation     Director, BR     2021-12-16
[ 130 ]  
 
Liaison statement to Working Parties 4A, 4C, 5A, 5B, 5D, 6A, 7B, 7C and 7D - Preliminary draft revision of Recommendation ITU-R F.699-8     WP 5C     2021-12-02
[ 129 ]  
 
Liaison statement to Working Parties 7C and 7D (copy for information to Working Parties 1A and 5A) - Request for fixed characteristics for studies under Resolution 731 (Rev.WRC-19)     WP 5C     2021-11-30
[ 128 ]  
 
Liaison statement to Working Parties 7C and 7D (copy for information to Working Parties 5B and 6A) - Beam WPT     WP 1A     2021-11-23
[ 127 ]  
 
Liaison statement to Working Parties 4C, 5B, and 7D - Revision to Recommendation ITU-R SM.1896-1     WP 1B     2021-11-17
[ 126 ]  
 
Reply liaison statement to IMSO (copy to Working Party 7D for information) - WRC-23 agenda item 1.11, Resolution 361 (Rev.WRC-19) - Introduction of additional satellite system into the GMDSS     WP 4C   AI1.11   2021-11-01
[ 125 ]  
 
Reply liaison statement to Working Parties 5B and 7D - WRC-23 agenda item 1.11, Resolution 361 (Rev.WRC-19) - Introduction of additional satellite system into the GMDSS     WP 4C     2021-11-01
[ 124 ]  
 
Liaison statement to Working Party 1B (copied for information to Working Parties 5B and 7D) - Revision to Recommendation ITU-R SM.1896-1     WP 4C     2021-10-27
[ 123 ]  
 
Liaison statement to Working Parties 3J, 3K, 3M, 4A, 4C, 5A, 5B, 5C, 6A, 7B, 7C, and 7D - WRC-23 agenda item 1.4     WP 5D   AI1.4   2021-10-19
[ 122 ]  
 
Reply liaison statement to Working Party 5B (copy to Working Party 7D for information) - Preliminary draft new Reports ITU-R M.[FOD 92-100 GHz] and ITU-R M.[FOD_EESS_SHARE]     WP 7C     2021-09-28
[ 121 ]  
 
Reply liaison statement to Working Party 1A (copy to Working Parties 5A, 5D, 7B and 7D) - Beam Wireless Power Transmission (WPT)     WP 7C     2021-09-28
[ 120 ]  
+Ann.1-14 
Report of the meeting of Working Party 7D (16-23 September 2021, e-Meeting)     Chairman, WP 7D     2021-09-23
[ 119 ]  
 
Final list of participants - Working Party 7D (e-Meeting, 16-23 September 2021)     Director, BR     2021-09-23
[ 118 ]  
 
List of documents issued (Documents 7D/70 - 7D/118)     BR Study Groups Department     2021-09-16
[ 117 ]  
 
Liaison statement to Working Parties 3K, 3M, 4A, 5A, 5B, 5C, 7C and 7D - Report on progress of activities relating to WRC-23 agenda item 1.13     WP 7B   AI1.13   2021-09-16
[ 116 ]  
 
Liaison statement to Working Parties 4A, 4B, 4C, 5A, 5B, 5C, 5D, 6A, 7C and 7D - Characteristics to be used for assessing interference to systems operating in the Earth exploration-satellite and meteorological-satellite services, and for conducting sharing studies     WP 7B     2021-09-16
[ 115 ]  
 
Draft liaison statement to Working Parties 5A and 5C on active service parameters for studies under Resolution 731 (Rev.WRC-19)     United States of America     2021-09-09
[ 114 ]  
 
Draft reply liaison statement to Working Party 1A (copy for information to Working Parties 5A, 5D, 7B, and 7C)     United States of America     2021-09-09
[ 113 ]  
 
Updates to working document towards a preliminary draft new Report - Technical and operational characteristics of radio astronomy systems operating below 300 MHz     United States of America     2021-09-09
[ 112 ]  
 
Working document toward a preliminary draft new Report - Unwanted emissions created by harmonics in radio astronomy bands: measurement of impacts of harmonic emission to radio facilities     United States of America     2021-09-09
[ 111 ]  
 
Updates to the working document towards a preliminary draft new Report - Technical and operational characteristics of widely distributed-array mm-wave and sub-mm-wave Systems     United States of America     2021-09-09
[ 110 ]  
 
Working document toward a preliminary draft new report - Technical and operational characteristics of bolometers operating in the millimeter-wave regime     United States of America     2021-09-09
[ 109 ]  
 
Proposed reply liaison statement to Working Party 1B - Revision to Recommendation ITU-R SM.1896-1     United States of America     2021-09-09
[ 108 ]  
 
Working document toward a preliminary draft new ITU-R Question - Technical and operational factors and mitigation techniques for prevention of interference to radio astronomy systems in the Shielded Zone of the Moon     United States of America     2021-09-09
[ 107 ]  
 
Considerations towards a possible designation of receive-only space weather sensor systems to the radio astronomy service     Germany (Federal Republic of) , Committee on Radio Astronomy Frequencies     2021-09-09
[ 106 ]  
 
Updates to working document towards a preliminary draft new Report ITU-R RA.[RAS-IMT-COMPAT-43-GHz] - Possible coordination and protection measures for stations of the radio astronomy service from IMT systems operating in and adjacent to the 42.5 to 43.5 GHz band     Committee on Radio Astronomy Frequencies     2021-09-08
[ 105 ]  
 
Updates to working document towards a draft revision of Report ITU-R RA.2259 - Characteristics of radio quiet zones     Canada     2021-09-07
[ 104 ]  
 
Sharing and compatibility studies of the RAS in the frequency band 6 650-6 675.2 MHz and mid-band IMT systems operation in the frequency range 6 425-7 025 MHz     Germany (Federal Republic of) , Committee on Radio Astronomy Frequencies   AI1.2   2021-09-07
[ 103 ]  
 
Preliminary draft revision of Report ITU-R RA.2259-0 - Characteristics of radio quiet zones     Square Kilometre Array Organisation     2021-09-07
[ 102 ]  
 
Contribution for Resolution 731 (Rev.WRC-19) - Examples of sharing and compatibility studies between the radio astronomy service and active services above 71 GHz and general consideration for them     Japan     2021-09-01
[ 101 ]  
 
Report of activities of the Correspondence Group on Geodetic VLBI to Working Party 7D     Chairman, CG on Geodetic VLBI     2021-08-26
[ 100 ]  
 
Reply liaison statement to Working Parties 7D 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     WP 4C   AI1.6   2021-07-21
[ 99 ]  
 
Reply liaison statement to Working Party 7D - WRC-23 agenda item 1.11 - Introduction of additional satellite systems into the Global Maritime Distress Safety System (GMDSS)     WP 4C   AI1.11   2021-07-21
[ 98 ]  
 
Reply liaison statement to Working Parties 5A, 5C, 7C and 7D (copied for information to Working Parties 1A and 1C) - Request for technical characteristics under Resolution 731 (Rev.WRC-19)     WPs 3J, 3K and 3M     2021-07-06
[ 97 ]  
 
Liaison statement to Working Party 7D - Review of propagation methodology in Report ITU-R RA.[RAS_IMT_COMPAT_43_GHz]     WP 3M     2021-07-06
[ 96 ]  
 
Reply Liaison statement to Working Party 7B (copied to Working Parties 5A, 5C, 7C and 7D for information) - WRC-23 agenda item 1.13     WPs 3K and 3M   AI1.13   2021-09-06
[ 95 ]  
 
Reply liaison statement to Working Party 5B (copy to Working Parties 4A, 5A, 5C, 7C and 7D for information) - WRC-23 agenda item 1.10 - Possible new allocations to the aeronautical mobile service for the use of non-safety applications     WPs 3K and 3M   AI1.10   2021-07-05
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