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ITU-R SG04

Satellite services

Results:49 total items.
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Contributions  [ Source: WP 4A ]   Documents / Contributions
 
Number 
Received Source Title Questions
[ 201 ]  
 
2011-09-28 Chairman, WP 4A   Executive Report of the seventh and eighth meetings of Working Party 4A (Geneva, 5-11 May 2011 and 21-28 September 2011)     N/A  
[ 200 ]  
(Rev.1) 
2011-09-28 WP 4A   Draft new Recommendation ITU-R BO.[BSS_ANT_PATT] - Reference receive earth station antenna pattern for the broadcasting-satellite service in the band 21.4-22 GHz in Regions 1 and 3     280/4  
[ 199 ]  
(Rev.1) 
2011-09-28 WP 4A   Draft new Recommendation ITU-R S.[ISS-NON-GSO] - Protection criteria and interference assessment methods for non-GSO inter-satellite links in the 23.183-23.377 GHz band with respect to the space research service     N/A  
[ 198 ]  
(Rev.1) 
2011-09-28 WP 4A   Draft new Recommendation ITU-R BO.[PFD_TERRESTRIAL] - Power flux-density value required for the protection of receiving earth stations in the broadcasting-satellite service in Regions 1 and 3 from emissions by a station in the fixed and/or mobile services in the band 21.4-22 GHz     283/4  
[ 197 ]  
(Rev.1) 
2011-09-28 WP 4A   Draft new Recommendation ITU-R S.[ESOMP] - Technical and operational requirements for GSOFSS earth stations on mobile platforms in bands from 17.3 to 30.0 GHz     N/A  
[ 196 ]  
 
2011-09-28 WP 4A   Suppression of Recommendation ITU-R S.725 - Technical characteristics for very small aperture terminals     N/A  
[ 195 ]  
(Rev.1) 
2011-09-28 WP 4A   Editorial revision of Recommendation ITU-R S.1527 - Procedure for the identification of non-geostationary-satellite orbit satellites causing interference into an operating geostationary-satellite orbit earth station     N/A  
[ 194 ]  
 
2011-09-28 WP 4A   Proposed suppression of Opinion ITU-R 51     N/A  
[ 169 ]  
(Rev.1) 
2011-05-30 WP 4A   Draft revision of Report ITU-R BO.2071 - System parameters of BSS between 17.3 GHz and 42.5 GHz and associated feeder links     N/A  
[ 168 ]  
 
2011-05-23 WP 4A   Draft revision of Recommendation ITU-R BO.1776 - Reference power flux-density for the broadcasting-satellite service in the band 21.4-22.0 GHz in Regions 1 and 3     N/A  
[ 167 ]  
 
2011-05-23 WP 4A   Draft revision of Recommendation ITU-R SF.675-3 - Calculation of the maximum power density (averaged over 4 kHz) of an angle modulated carrier     N/A  
[ 166 ]  
 
2011-05-23 WP 4A   Draft revision of Recommendation ITU-R BO.1659 - Mitigation techniques for rain attenuation for broadcasting-satellite service systems in frequency bands between 17.3 GHz and 42.5 GHz     N/A  
[ 144 ]  
 
2010-07-16 Chairman, WP 4A   Executive report of the fifth and sixth meetings of Working Party 4A (Bangalore, India 24 March - 1 April and Geneva 7-15 July 2010)     N/A  
[ 140 ]  
 
2010-07-15 WP 4A   Proposed suppression of three former Working Party 6S Questions     N/A  
[ 138 ]  
 
2010-07-15 WP 4A   Draft new Report ITU-R S.[BWA-FSS] - Studies on compatibility of broadband wireless access (BWA) systems and fixed-satellite service (FSS) networks in the 3 400-4 200 MHz band     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  
[ 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  
[ 105 ]  
(Rev.1-2) 
2009-09-18 WP 4A   Draft new Recommendation ITU-R S.[IMT-PFD] - Methodologies for determining whether an IMT station at a given location operating in the band 3 400-3 600 MHz would transmit without exceeding the power flux-density limits in Nos. 5.430A, 5.432A, 5.432B and 5.433A of the Radio Regulations     N/A  
[ 104 ]  
(Rev.1) 
2009-09-18 WP 4A   Draft revision of Recommendation ITU-R S.465-5 - Reference earth-station radiation pattern for use in coordination and interference assessment in the frequency range 2 to about 30 GHz     N/A  
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