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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
[ 180 ]  
(Rev.1) 
2011-09-26 WP 4C   Draft new Report ITU-R M.[RNSS_PULSE_PARAMS] - Calculation method to determine aggregate interference parameters of pulsed RF systems operating in and near the bands 1 164-1 215 MHz and 1 215-1 300 MHz that may impact radionavigation-satellite service airborne and ground-based receivers operating in those frequency bands     288/4, 217-2/4  
[ 179 ]  
(Rev.1) 
2011-09-23 WP 4C   Draft new Report ITU-R M.[RNSS_5GHZ_APP] - Radionavigation-satellite service applications for the 5 000-5 010 MHz and 5 010-5 030 MHz bands     N/A  
[ 178 ]  
(Rev.1) 
2011-09-23 WP 4C   Draft new Report ITU-R M.[MSS-REQS] - Traffic forecasts and estimated spectrum requirements for future development of the MSS in the range 4-16 GHz     N/A  
[ 177 ]  
 
2011-09-20 Bulgaria (Republic of)   Proposed element for the Summary Record of the Study Group 4 meeting on the Bulgarian proposal to use 11.7-12.2 GHz band for Region 1 BSS at 1.9°E under Article 4 of Appendix 30 of the Radio Regulations     N/A  
[ 176 ]  
(Rev.1) 
2011-09-19 WP 4C   Draft revision of Recommendation ITU-R M.1731-1 - Protection criteria for Cospas-Sarsat local user terminals in the band 1 544-1 545 MHz     N/A  
[ 175 ]  
(Rev.1) 
2011-09-19 WP 4C   Draft revision of Recommendation ITU-R M.1478-1 - Protection criteria for Cospas-Sarsat search and rescue instruments in the band 406-406.1 MHz     N/A  
[ 174 ]  
 
2011-09-06 Korea (Republic of)   Proposed corrigendum to 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  
[ 173 ]  
 
2011-09-01 Japan   Proposal for earlier adoption of ITU-R Recommendations related to RNSS     N/A  
[ 172 ]  
 
2011-06-28 United States of America   Decision of Study Group 4 on recent ITU-R Recommendations     N/A  
[ 171 ]  
 
2011-06-28 WPs 5A, 5B, 5C and 5D   Liaison statement to Study Group 1 and Working Party 1A (copy to Study Groups 4, 6 and 7) - A database for the protection of radio services     N/A  
[ 170 ]  
 
2011-06-10 Chairman, ITU-R SG 6   Note to ITU-R Study Groups 4 and 5 - Proposal in response to Resolution 182 (PP-10) with regard to climate change and protection of the environment     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  
[ 165 ]  
 
2011-05-20 Director, TSB   Information Document from TSB Director on "ITU-T Activities on ICT, Climate Change and the Environment"     N/A  
[ 164 ]  
(Rev.1) 
2011-05-20 WP 4B   Editorial revision of Recommendation ITU-R BO.1130-4 - Systems for digital satellite broadcasting to vehicular, portable and fixed receivers in the bands allocated to BSS (sound) in the frequency range 1 400-2 700 MHz     N/A  
[ 163 ]  
 
2011-05-20 WP 4B   Draft revision of Recommendation ITU-R SNG.770-1 - Uniform operational procedures for satellite news gathering (SNG)     N/A  
[ 162 ]  
 
2011-05-20 WP 4B   Draft revision of Recommendation ITU-R BO.1516 - Digital multiprogramme television systems for use by satellites operating in the 11/12 GHz frequency range     285/4  
[ 161 ]  
 
2011-05-18 BR Study Group Department   ITU-R Study Group 5 Recommendation ITU-R M.1177-4 to be brought to the attention of Study Groups 1 and 4     N/A  
[ 160 ]  
 
2011-05-17 WP 4C   Draft revision of Recommendation ITU-R M.1854 - Use of mobile-satellite service (MSS) in disaster response and relief     286/4, 227/4  
[ 159 ]  
(Rev.1) 
2011-05-17 WP 4C   Draft revision of Report ITU-R M.2149 - Use and examples of mobile-satellite service systems for relief operation in the event of natural disasters and similar emergencies     286/4, 227/4  
[ 158 ]  
 
2011-05-13 WP 4C   Draft new Recommendation ITU-R M.[E-S TX+RX] - Characteristics and protection criteria of receiving space stations and characteristics of transmitting earth stations in the radionavigation-satellite service (Earth-to-space) operating in the band 5 000-5 010 MHz     288/4, 217-2/4  
[ 157 ]  
 
2011-04-14 BR Study Group Department   ITU-R Study Group 6 Recommendation ITU-R BT.1833-1 to be brought to the attention of Study Group 4     N/A  
[ 156 ]  
 
2011-04-01 Chairmen, SG 4 and SG 5   Result of the proposed suppression of Recommendations ITU-R SF.1482 and SF.1483     N/A  
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