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Radioastronomía

Resultados :244 documentos
Resultados :  Anterior -  1 - 2 - 3 - 4 - 5  - Siguiente Next
Contribuciones  Documents / Contributions
 
Número 
Título Origen AI/Cuestión
Fecha
[ 94 ]  
 
Reply liaison statement to Working Party 5D (copy to Working Parties 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     WPs 3J, 3K and 3M   AI1.4   2021-07-05
[ 93 ]  
 
Reply liaison statement to Working Party 5D (copy to Working Parties 1B, 4A, 4B, 4C, 5A, 5B, 5C, 7B, 7C and 7D for information) - WRC-23 agenda items 1.1 and 1.2     WPs 3K and 3M   AI1.2, AI1.1   2021-07-05
[ 92 ]  
 
Liaison statement from IMSO to ITU-R Working Parties 4C and 7D - Introduction of additional GSO MSS systems into the GMDSS (WRC-23 agenda item 1.11, resolves 3)     International Mobile Satellite Organization   AI1.11   2021-06-25
[ 91 ]  
 
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   AI1.2   2021-06-25
[ 90 ]  
 
Reply liaison statement to Working Parties 5B, 5C, 7B, 7C and 7D - WRC-23 agenda item 1.2     WP 5D   AI1.2   2021-06-25
[ 89 ]  
 
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   2021-06-18
[ 88 ]  
 
Liaison statement to Working Party 3M, 4A, 4C, 7B and 7D - WRC-23 agenda item 1.6     WP 5B   AI1.6   2021-06-09
[ 87 ]  
 
Liaison statement to Working Parties 3K and 3M (coy for information to Working Parties 4A, 5A, 5C, 7C and 7D) - WRC-23 agenda item 1.10 - Possible new allocations to the aeronautical mobile service (AMS) for the use of non-safety applications     WP 5B   AI1.10   2021-06-09
[ 86 ]  
 
Liaison statement to Working Party 7D (copied to Working Party 4C for information) - Elements for studies on WRC-23 agenda item 1.7     WP 5B   AI1.7   2021-06-08
[ 85 ]  
 
Reply liaison statement to Working Party 7C (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 5B     2021-06-08
[ 84 ]  
 
Liaison statement to Working Parties 5A, 5D, 7B, 7C and 7D - Beam Wireless Power Transmission (WPT)     WP 1A     2021-06-04
[ 83 ]  
 
Reply liaison statement to Working Parties 4C and 7D - WRC-23 agenda item 1.11, Resolution 361 (Rev.WRC-19)     WP 5B   AI1.11   2021-06-03
[ 82 ]  
 
Liaison statement to Working Parties 4C, 5B and 7D - Revision to Recommendation ITU-R SM.1896-1     WP 1B     2021-06-01
[ 81 ]  
 
Reply liaison statement to Working Party 7B (copy for information to Working Parties 3M, 5A, 7C and 7D) - WRC-23 agenda item 1.13 - Characteristics and protection criteria for fixed service systems operating in the frequency band 14.8-15.35 GHz     WP 5C   AI1.13   2021-05-17
[ 80 ]  
 
Reply liaison statement to Working Party 7C (copy to Working Parties 5A and 7D) - Work under invites the ITU-R 1 of Resolution 731 (Rev.WRC-19)     WP 5C     2021-05-17
[ 79 ]  
 
Liaison statement to Working Party 7C (copy for information to Working Party 7D) - Preliminary draft new Report ITU-R M.[100-GHz.RSTT.EESS.COEXIST]     WP 5A     2021-05-17
[ 78 ]  
 
Liaison statement to Working Party 5C (copy to Working Parties 1A, 7C and 7D for information) - Working document towards a preliminary draft new Report ITU-R M.[252-296 GHz.LMS.FS.COEXIST]     WP 5A     2021-05-14
[ 77 ]  
 
Liaison statement to Working Parties 3J, 3K and 3M (copy for information to Working Parties 1A, 1C, 4A, 4C, 5A, 5B, 5C and 7D) - Propagation information related to studies under Resolution 731 (Rev.WRC-19) and other issues above 71 GHz     WP 7C     2021-05-07
[ 76 ]  
 
Reply liaison statement to Working Party 5B (copied for information to Working Parties 4A, 5A, 5C, 7C and 7D) - 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   2021-05-03
[ 75 ]  
 
Liaison statement to Working Party 7D - Working document towards a draft new Report ITU-R TF.[UTC]     WP 7A     2021-04-27
[ 74 ]  
 
Liaison statement to CISPR (Subcommittees B and H) (copy for information to Study Group 1 and Working Parties 1A, 4A, 4B, 5A, 5B, 5C, 5D, 6A, 7B, 7C and 7D) - Update to Standard frequency and time signal services protection requirements in the CISPR radio services database     WP 7A     2021-04-26
[ 73 ]  
 
Liaison statement to Working Parties 5A and 5C (copy for information to Working Parties 1A, 1C and 7D) - Proposal to initiate work under Resolution 731 (Rev.WRC-19)     WP 7C     2021-04-26
[ 72 ]  
 
Liaison statement to Working Parties 3K, 3L, 3M, 5A, 5B, 5C and 6A (copied for information to Working Parties 7A and 7D) - WRC-23 agenda item 1.12     WP 7C   AI1.12   2021-04-23
[ 71 ]  
 
Liaison statement to Working Parties 4A, 4C, 5A, 5B, 5C, 7D (copy to Working Parties 3J and 3M for information) - WRC-23 agenda item 1.14: system characteristics of primary services to be used for sharing and compatibility studies in the frequency range 231.5-252 GHz     WP 7C   AI1.14   2021-04-23
[ 70 ]  
+Ann.1-9 
Report of the meeting of Working Party 7D (12-16 April 2021, e-Meeting)     Chairman, WP 7D     2021-04-16
[ 69 ]  
 
Final list of participants Working Party 7D (12-16 April 2021)     Director, BR     2021-04-16
[ 68 ]  
 
Reply liaison statement to Working Party 5D (copy to Working Parties 3K, 3M, 4A, 4B, 4C, 5A, 5B, 5C, 7C and 7D for information) - Reply liaison statement to Working Party 5D concerning WRC-23 agenda item 1.2     WP 7B   AI1.2   2021-04-15
[ 67 ]  
 
List of documents issued (Documents 7D/28 - 7D/67)     BR Study Groups Department     2021-04-12
[ 66 ]  
 
A contribution to working document towards PDN 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 shared and adjacent bands within 42.5 to 43.5 GHz     Japan     2021-04-05
[ 65 ]  
 
Proposed liaison statement to Working Party 5D on WRC-23 agenda item 1.2     United States of America   AI1.2   2021-04-05
[ 64 ]  
 
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 shared and adjacent bands within 42.5 to 43.5 GHz     United States of America     2021-04-05
[ 63 ]  
 
Elements for consideration for the studies under Resolution 731     United States of America     2021-04-05
[ 62 ]  
 
Technical and operational characteristics of widely distributed array mm-wave and sub-mm-wave Systems     United States of America     2021-04-05
[ 61 ]  
 
Technical and operational characteristics of radio astronomy systems operating below 300 MHz     United States of America     2021-04-05
[ 60 ]  
 
Updates to working document towards a draft revision of Report ITU-R RA.2259 - Characteristics of radio quiet zones     United States of America     2021-04-05
[ 59 ]  
 
Updates to the working document towards a preliminary draft new Report: The VLBI Global Observing System (VGOS)     United States of America     2021-04-05
[ 58 ]  
 
Draft new Question ITU-R XXX/7     Finland , Committee on Radio Astronomy Frequencies , France , Germany (Federal Republic of) , Norway , South Africa (Republic of) , Switzerland (Confederation of)     2021-04-05
[ 57 ]  
 
Draft reply liaison statement to Task group 6/1 - Preparations of WRC-23 agenda item 1.5 - Information on spectrum use and spectrum needs of the Radio Astronomy Service within the frequency band 470-960 MHz in Region 1     Committee on Radio Astronomy Frequencies   AI1.5   2021-04-01
[ 56 ]  
 
Liaison statement to Working Party 7D - WRC-23 agenda item 1.2     WP 5D   AI1.2   2021-03-19
[ 55 ]  
 
Reply liaison statement from Working Party 5D to Task Group 6/1 (copy to ITU-R Working Parties 3K, 3M, 5A, 5B, 5C, 6A, 7D) - Preparations of WRC-23 agenda item 1.5 Information on spectrum use and spectrum needs of existing services including IMT within the frequency band 470-960 MHz in Region 1     WP 5D   AI1.5   2021-03-16
[ 54 ]  
 
Reply liaison statement from Working Party 5D to Task Group 6/1 (copy to Working Parties 3K, 3M, 5A, 5B, 5C, 6A, 7D) - Preparations for WRC-23 agenda item 1.5 - Information for sharing and compatibility studies     WP 5D   AI1.5   2021-03-16
[ 53 ]  
 
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   2021-03-15
[ 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
[ 50 ]  
(Rev.1) 
Liaison statement to CISPR and CISPR/H (copy for information to Study Group 1 and Working Parties 5A, 6A and 7D) - Liaison between ITU-R and CISPR on the protection of radio services in the 6-40 GHz frequency range     WP 1A     2020-12-15
[ 49 ]  
 
Reply liaison statement to Working Party 5B (copy to Working Parties 3K, 3M, 4A, 5A, 7C, and 7D for information) - WRC-23 agenda item 1.10     WP 5C   AI1.10   2020-11-27
[ 48 ]  
 
Reply liaison statement to Working Party 3M (copy to Working Parties 3K, 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     WP 5B   AI1.10   2020-11-23
[ 47 ]  
 
Reply liaison statement to Working Party 7C (copy to Working Parties 1B, 3J, 3K, 3L, 3M, 4A, 4C, 5A, 5B, 5D, 6A, and 7D for information) - WRC-23 agenda item 9.1, topic a)     WP 5C   AI9.1 A)   2020-11-20
[ 46 ]  
 
Studies under Resolution 731 (Rev. WRC-19) - Consideration of sharing and adjacent-band compatibility between passive and active services above 71 GHz     Chairmen, SG 1, SG 5 and SG 7     2020-11-20
[ 45 ]  
 
Reply liaison statement to Working Party 5B (copy to Working Parties 4A, 4B, 5A, 7D and 3M for information) - WRC-23 agenda item 1.8 - Technical and operational characteristics and protection of the fixed service     WP 5C   AI1.8   2020-11-20
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