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ITU-R SG04

Satellite services

Results:205 total items.
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Contributions  Documents / Contributions
 
Number 
Received Source Title Questions
[ 130 ]  
 
2010-07-06 United States of America   Adoption of RNSS Recommendations     N/A  
[ 129 ]  
 
2010-06-29 WP 1A   Liaison statement to Study Groups 4, 5, 6 and 7 and interested Working Parties - Protection of Radiocommunication services using digital modulation against interference caused by radiation from industrial, scientific and medical (ISM) equipment     N/A  
[ 128 ]  
 
2010-06-08 France   CEPT common views on the approval process of the five draft new Recommendations on characteristics and protection criteria for RNSS systems in the bands 1 164-1 215 MHz, 1 215-1 300 MHz and 1 559-1 610 MHz     N/A  
[ 127 ]  
 
2010-05-06 WP 4B   Suppression of Recommendation ITU-R BO.786 - MUSE system for HDTV broadcasting-satellite services     N/A  
[ 126 ]  
(Rev.1) 
2010-05-07 WP 4C   Draft new Report ITU-R M.[DUALPOL]- Dual linear polarization transmission technique using digital cross-polarization cancellation for MSS systems     83-6/4  
[ 125 ]  
 
2010-04-28 Asia-Pacific Telecommunity (APT)   APT Common views on adoption of five draft new Recommendations concerning the Radionavigation-Satellite Service     N/A  
[ 124 ]  
 
2010-04-29 WP 4A   Draft new Report ITU-R S.[GUIDE-PLAN] - Guidelines that may be used by administrations in the design of their systems for assessing the impact of rain attenuation on the carrier to noise plus interference ratios of the FSS Plan allotments     236/4  
[ 123 ]  
 
2010-04-29 WP 4A   Draft New Report ITU-R S.[MAIN-LOBE] - Methodology on the modelling of earth station antenna gain in the region of the antenna main-lobe and the transition region between the minimum angle of the reference antenna pattern and the main-lobe     N/A  
[ 122 ]  
 
2010-04-13 WP 4A   Draft revision of Recommendation ITU-R S.1003-1 - Environmental protection of the geostationary-satellite orbit     N/A  
[ 121 ]  
 
2010-03-01 United States of America   Emergency and disaster relief telecommunications in Haiti     N/A  
[ 120 ]  
 
2010-03-01 Director, BR   ITU/IDA Workshop on the efficient use of the spectrum/orbit resource (Singapore, 16-17 June 2010)     N/A  
[ 119 ]  
 
2010-02-18 WP 1A   Liaison statement to the relevant Working Parties of Study Groups 4, 5, 6 and 7 (copy to ITU-T Study Group 15 for information) - Further work on power line telecommunications     221-1/1  
[ 118 ]  
 
2010-02-16 Director, BR   Invitation to contribute to CWG-WCIT12     N/A  
[ 117 ]  
 
2009-12-14 SG 5   Liaison statement to Study Group 4 - Proposed suppression and editorial updating of certain SF-series Recommendations     N/A  
[ 116 ]  
 
2009-11-09 WP 5D   Note from the Chairman of Working Party 5D to the Chairman of Study Group 4 (copy to the Chairman of Working Party 4A and the Chairman of Study Group 5) - Comments on draft new Recommendation ITU-R S.[IMT-PFD]     N/A  
[ 115 ]  
 
2009-09-22 Chairman, SG 4   Summary record of Study Group 4 meeting on 21 and 22 September 2009     N/A  
[ 114 ]  
(Rev.1) 
2009-09-22 Director, BR   Final List of Participants - Geneva, 21-22 September 2009     N/A  
[ 113 ]  
 
2009-09-18 BR Study Group Department   List of documents issued     N/A  
[ 112 ]  
 
2009-09-18 Chairman, WP 4C   Executive Report of the third and fourth meetings of Working Party 4C (Geneva, 15 April - 24 April and 31 August - 9 September 2009)     N/A  
[ 111 ]  
(Rev.1) 
2009-09-18 Chairman, WP 4B   Executive Report of the twenty sixth and twenty seventh meeting of Working Party 4B (Geneva, 22 - 29 April and 7 - 14 September 2009)     N/A  
[ 110 ]  
 
2009-09-18 Chairman, WP 4A   Executive Report of the meetings of Working Party 4A since October 2008 (Geneva, 27 April - 5 May and 9 - 18 September 2009)     N/A  
[ 109 ]  
(Rev.1) 
2009-09-18 WP 4A   Draft revision of Recommendation ITU-R S.1001-1 - Use of systems in the fixed-satellite service in the event of natural disasters and similar emergencies for warning and relief operations     N/A  
[ 108 ]  
 
2009-09-18 WP 4A   Draft new Report ITU-R S.[REP-1001] - Use and examples of systems in the fixed-satellite service in the event of natural disasters and similar emergencies for warning and relief operations     N/A  
[ 107 ]  
(Rev.1) 
2009-09-18 WP 4A   Draft new Recommendation ITU-R S.[VEHICLE_E/S] - Methodologies to estimate the off-axis e.i.r.p. levels and to assess the interference towards adjacent satellites resulting from pointing errors of vehicle-mounted earth stations in the 14 GHz frequency band     208/4  
[ 106 ]  
 
2009-09-18 WP 4A   Draft new Report ITU-R S.[ADAP_ARRAY] - An interference reduction technique by adaptive-array earth station antennas for sharing between the fixed-satellite (FSS) and fixed/mobile services     N/A  
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