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Space radio systems

Results:20 total items.
Contributions  [ Source: WP 4A ]   Documents / Contributions
 
Number 
Received Source Title
[ 178 ]  
 
2007-06-28 WP 4A   Liaison statement to Working Party 7B - PDNR on frequency sharing between space VLBI and Lunar systems of the SRS and FSS systems in the 37.5-38 GHz band    
[ 177 ]  
 
2007-06-28 WP 4A   Liaison statement to Working Party 7B - Guidelines for efficient use of the geostationary orbit by fixed-satellite and meteorological satellite systems operating in a common 300 MHz band within the 18-18.4 GHz frequency range in the space-to-Earth direction    
[ 174 ]  
 
2007-06-08 WP 4A   Liaison statement to WP 1B - Study of Software Defined Radio and cognitive radio systems in WP 1B    
[ 153 ]  
 
2006-10-03 WP 4A   Liaison statement to the Special Committee for action and to Working Parties 6S, 8D AND 7B for information - Advanced publication information on Non-Geostationary satellite systems not subject to coordination under Section II of Article 9    
[ 152 ]  
 
2006-09-27 WP 4A   Liaison statement to WP 7B - The applicability of Recommendation ITU-R S.1432 to the frequency band 18.0-18.4 GHz    
[ 128 ]  
 
2006-04-28 WP 4A   Liaison statement to Working Party 7B and copy to Working Parties 9D and 8A for information - "Proposed draft CPM text for WRC-07" agenda item 1.2 (Resolution 746 (WRC-03), 18 GHz)    
[ 126 ]  
 
2006-04-20 WP 4A   Liaison statement to Working Parties 6S, 8D and Working Party 7B for information - Advanced publication information on non-geostationary satellite systems not subject to coordination under Section II of Article 9    
[ 114 ]  
 
2005-11-17 WP 4A   Liaison statement to WPs 4-9S, 6S, 7B and 8D - Draft letter to Director, BR on definition of HEO (AI 7.1 (H))    
[ 113 ]  
 
2005-11-17 WP 4A   Liaison statement to Working Parties 4-9S, 6S, 7B, 8D, 9D and the Coordination Committee for Vocabulary - Development of DNR S.[HEO_Sys_Char] - Characterization of HEO-type FSS systems    
[ 111 ]  
 
2005-11-11 WP 4A   Liaison statement to Working Party 7B - Modifications to proposed draft elements for CPM text for WRC-07 Agenda item 1.2    
[ 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    
[ 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    
[ 33 ]  
 
2004-05-05 WP 4A   Draft liaison statement to Working Party 7B - Compatibility studies for geostationary meteorological satellite systems operating in the space-to Earth direction, and the fixed-satellite service, in the 18.0-18.1 GHz and/or 18.3-18.4 GHz bands    
[ 32 ]  
 
2004-05-05 WP 4A   Liaison statement to Working Party 7B - Sharing between the space research service (space very long satellite interferometry telemetry) and the fixed-satellite service in the 37.5-38 GHz band    
Results:20 total items.
 
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