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Sistemas de radiocomunicación espaciales

Resultados :179 documentos
Resultados :  Anterior -  1 - 2 - 3 - 4  - Siguiente Next
Contribuciones  Documents / Contributions
 
Número 
Fecha Origen Título AI/Cuestión
[ 104 ]  
 
2005-10-27 Eumetsat   Compatibility assessment between the meteorological satellite service and NGSO satellites operating in the fixed satellite service around 18.2 GHz      
[ 103 ]  
 
2005-10-28 Japan   Proposed revision of PDNR ITU-R SA.[THz] - Technical and operational characteristics of space-to-space communication systems operating around 354 and 366 THz     235/7  
[ 102 ]  
 
2005-10-18 United States of America   Revision of proposed preliminary draft new Report ITU-R SA.[SRS ANT] - Mathematical gain models of large-aperture SRS earth station antennas for compatibility analysis involving a large number of distributed interference sources      
[ 101 ]  
 
2005-10-18 United States of America   Proposed report on Characteristics of the Space VLBI systems     203/7  
[ 100 ]  
 
2005-10-18 United States of America   Use of the 8 025-8 400 MHz band by Earth exploration satellites     139/7  
[ 99 ]  
 
2005-10-18 United States of America   Proposal to revise Recommendation ITU-R SA.1344 - Preferred frequency bands and bandwidths for the transmission of space VLBI data     203/7  
[ 98 ]  
 
2005-10-18 United States of America   Proposal to revise Recommendation ITU-R SA.1015 - Bandwidth requirements for deep-space research      
[ 97 ]  
 
2005-10-18 United States of America   Revision of proposed PDNR ITU-R SA.[PATTERN SRS]: Reference antenna patterns of large-aperture space research service earth station to be used for compatibility analyses involving a large number of distributed interference entries in the bands 31.8-32.3 GHz and 37.0-38.0 GHz      
[ 96 ]  
 
2005-10-19 WP 6S   Liaison statement to WP 4A and to WP 7B for information - Compatibility studies between the meteorological-satellite service and the fixed satellite service in the band 18.0-18.4 GHz      
[ 95 ]  
 
2005-10-07 WP 8B   Liaison statement to Working Parties 7B, 7C and 7D and for information to TG 1/9 - Compatibility studies involving aeronautical mobile telemetry (AMT) systems      
[ 94 ]  
 
2005-10-07 WP 8D   Liaison statement to Working Parties 7B and 7D - Characteristics of spaceborne antennas around 1.6 GHz      
[ 93 ]  
 
2005-06-21 WP 4A   Liaison statement to WP 7B and to WP 6S for information - Compatibility studies between the meteorological-satellite service and the fixed satellite service in the band 18.0-18.4 GHz      
[ 92 ]  
 
2005-06-20 WP 4A   Liaison statement to WP 7B request for guidance on the possible use of the band 27.0-27.5 GHz by NGSO FSS systems      
[ 91 ]  
 
2005-06-20 WP 4A   Liaison statement to WP 7B containing proposed draft elements for CPM text for WRC-07 Agenda item 1.2      
[ 90 ]  
 
2005-06-20 WP 4A   Liaison statement to WP 7B - Additional GSO FSS Network data for the Recommendation ITU-R S.1328 database      
[ 89 ]  
 
2005-05-17 WP 9D   Liaison statement to Working Party 7B - Compatibility studies between the meteorological satellite service and the fixed service in the band 18.0-18.4 GHz      
[ 88 ]  
 
2005-05-17 WP 9D   Liaison statement to Working Party 7B - Estimation of inherent limits on power level and density of HDFS transmitter deployment to maintain service performance in the 31.8-32.3 GHz and 37-38 GHz      
[ 87 ]  
 
2005-05-02 WP 9D   Liaison statement to Working Parties 1A, 1B, 4A, 6E, 6M, 6S, 7B, 7C, 7D, 8A, 8B, 8D and 8F and to Task Groups 1/8 and 1/9, and Joint Task Group 6-8-9 - Revision of Recommendation ITU-R F.1336      
[ 86 ]  
+Ann.1-11 
2005-03-21 Chairman, WP 7B   Report on the meeting of Working Party 7B, 7-11 March 2005      
[ 85 ]  
 
2005-03-18 Director, BR   Final list of participants - Working Party 7B      
[ 84 ]  
 
2005-02-25 Brazil (Federative Republic of)   Revision of preliminary draft new Report ITU-R SA.[VIS STAT] - Means of calculating low-orbit satellite visibility statistics      
[ 83 ]  
 
2005-02-25 Brazil (Federative Republic of)   Preliminary draft revised Recommendation ITU-R SA.1159-2 - Performance criteria for data dissemination, data collection and direct data readout systems in the Earth exploration-satellite service and meteorological-satellite service      
[ 82 ]  
 
2005-02-28 BR Study Group Department   List of documents issued      
[ 81 ]  
 
2005-02-28 Syrian Arab Republic   Revision of Recommendation ITU-R SA.1158 - Feasibility of frequency sharing in the 1 670-1 710 MHz band between the meteorological-satellite service (space-to-Earth) and the mobile-satellite service (Earth-to-space) and implementation of Resolution ITU-R 44-1      
[ 80 ]  
 
2005-02-28 Canada   Radiocommunication service definitions - Active sensor     229/1  
[ 79 ]  
 
2005-02-28 Eumetsat   Proposed PDNR to take into account next generation meteorological satellite systems around 18 GHz     141/7  
[ 78 ]  
 
2005-02-28 Eumetsat   Compatibility assessment between the meteorological satellite and the fixed satellite service around 18.2 GHz     141/7  
[ 77 ]  
 
2005-02-28 Eumetsat   Background for the additional spectrum requirements for next generation Meteorological Satellite Service Systems at 18 GHz - Example: Meteosat Third Generation (MTG)      
[ 76 ]  
 
2005-02-25 United States of America   Proposed disposition of Doc. 7B/61, Annex 2 - Criteria and calculation method to establish requirements to coordinate SRS and EESS applications operating in a DRS network with space networks of other services in the band 22.55 - 23.55 GHz and 25.25 - 27.5 GHz     118/7  
[ 75 ]  
 
2005-02-25 United States of America   Criteria and calculation method to determine the level of interference to geostationary data relay satellites from the emissions of fixed-satellite service earth stations operating in the 27.0 - 27.5 GHz band     118/7  
[ 74 ]  
 
2005-02-25 United States of America   Proposal to revise the "Working document towards sharing between space research service (space VLBI telemetry) and fixed satellite service in the 37.5-38 GHz band"     202/7  
[ 73 ]  
 
2005-02-25 United States of America   Proposal to revise PDNR ITU-R SA.[SRS-MS(AERONAUTICAL)] - Sharing between the mobile service (aeronautical mobile) and the space research service (space-to-Earth) in the frequency band 37-38 GHz     211/7  
[ 72 ]  
 
2005-02-25 United States of America   Working document towards a PDNR to define frequency bands for human and robotic exploration of the Moon compatible with deep space missions     222/7  
[ 71 ]  
 
2005-02-24 European Space Agency   Proposed changes to preliminary draft new Recommendation on maximum allowable degradation to radiocommunication links of the space research and space operation services arising from interference from emissions and radiations from other sources     118/7  
[ 70 ]  
 
2005-02-24 European Space Agency   Proposed revisions to preliminary draft new Recommendation ITU-R SA.[PATTERN SRS]      
[ 69 ]  
 
2005-02-18 France   Working document toward the revision of the Recommendation ITU-R SA.1026-3 - Interference criteria for the 8 025-8 400 MHz band     141/7, 139/7  
[ 68 ]  
 
2005-02-18 TG 1/9   Liaison statement to WPs 4A and 6S and to WPs 7B and 8D for information - Representations of unwanted emission spectra for use in compatibility studies between active satellite services and passive services      
[ 67 ]  
 
2005-02-18 TG 1/9   Liaison statement to Working Party 4A and to Working Party 7B for information - Parameters for compatibility analyses between the fixed-satellite service and the inter-satellite service with the Earth exploration-satellite service (passive)      
[ 66 ]  
 
2004-11-08 WP 4A   Liaison statement to Working Party 7B - Compatibility studies between the meteorological satellite service and the fixed-satellite service in the band 18.0-18.4 GHz      
[ 65 ]  
 
2004-11-08 WP 4A   Liaison statement to Working Party 7B - Sharing between non-GSO/GSO inter-satellite links and GSO/GSO inter-satellite links in the bands 22.55-23.55 GHz and 25.5-27.5 GHz      
[ 64 ]  
 
2004-11-08 WP 4A   Liaison statement to WP 7B - Sharing between space research service (space VLBI telemetry) and fixed-satellite service in the 37.5-38 GHz band      
[ 63 ]  
(Rev.1-2) 
2004-10-28 WP 4A   Liaison statement to Working Parties 6S, 8D, 7B and 4-9S      
[ 62 ]  
 
2004-10-21 WP 1B   Liaison statement to Working Parties 4A, 4-9S, 6E, 6S, 7B, 7C, 7D, 8A, 8B, 8D, 8F, 9A and 9D - PDNR ITU-R SM.[EML] - Index for evaluation of the effect of interference between radio communication networks operating in a shared frequency band      
[ 61 ]  
+Ann.1-14 
2004-10-01 Chairman, WP 7B   Report on the meeting of Working Party 7B, Geneva, 27 September to 1 October 2004      
[ 60 ]  
 
2004-09-30 Director, BR   Final List of Participants - Working Party 7B      
[ 59 ]  
 
2004-09-29 WP 9D   Liaison statement - Sharing analyses between geostationary meteorological satellite systems operating in the space-to-Earth direction and the fixed, fixed-satellite and mobile service systems in the band 18-18.4 GHz      
[ 58 ]  
 
2004-09-27 WMO   Frequency sharing between the meteorological aids service and meteorological satellite service (space-to-Earth) within the frequency range 1 668.4-1 700 MHz, including sharing with the mobile-satellite service (Earth-to-space) in the 1 668.4-1 675 MHz band      
[ 57 ]  
 
2004-09-27 United States of America   Proposed conversion of the Annexes 1,3 and 4 of Recommendation ITU-R SA.1158 to an ITU-R Report      
[ 56 ]  
 
2004-09-24 BR Study Group Department   List of documents issued      
[ 55 ]  
 
2004-09-20 Syrian Arab Republic   Studies for the use of spectrum at frequencies above 3 000 GHz      
Resultados :179 documentos
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Actualizado el : 2005-03-23