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ITU-R SG04

Fixed-satellite service

Results:107 total items.
Result page:  1 - 2 - 3  - Next Next
Contributions  Documents / Contributions
 
Number 
Received Source Title AI/Question
[ 107 ]  
 
2007-06-14 WP 4-9S   Draft revision of Recommendation ITU-R SF.1649 - Guidance for determination of interference from earth stations on vessels (ESVs) to stations in the fixed service when the ESV is within the minimum distance      
[ 106 ]  
 
2007-01-11 Coordination Committee for Vocabulary (CCV)   Liaison statement to Radiocommunication Study Groups and Working Parties - Terminology database      
[ 105 ]  
 
2006-11-29 SG 4   Summary record of Study Group 4 meeting - 14-15 September 2006      
[ 104 ]  
+Ann.1 
2006-10-10 Study groups 4 and 9   Summary record for the Joint meeting of ITU-R Study Grups 4 and 9      
[ 103 ]  
 
2006-09-15 Director, BR   Final List of Participants - Study Group 4 (Geneva, 14-15 September 2006)      
[ 102 ]  
 
2006-09-14 Chairman, WP 4A   Summary Report of WP 4A activities since November 2005      
[ 101 ]  
 
2006-09-13 BR Study Group Department   List of documents issued      
[ 100 ]  
 
2006-09-13 Chairman, WP 4B   Report of the twenty first and twenty second meetings of Working Party 4B      
[ 99 ]  
(Rev.1) 
2006-09-13 WP 4A   Draft new Recommendation ITU-R S.[HDFSS] - Technical and operational features characterizing higth-density applications in the fixed-satellte service (HDFSS)     266/4  
[ 98 ]  
(Rev.1) 
2006-09-13 WP 4A   Draft new Recommendation ITU-R S.[BBIAS] - Possibilities for global broadband internet access by FSS systems     269/4  
[ 97 ]  
(Rev.1) 
2006-09-13 WP 4A   Draft new Recommendation ITU-R S.[SHARING_BI-DIRECT_UBIQ] - Possible methodology for frequency sharing between bidirectional GSO FSS networks comprising ubiquitously deployed earth stations      
[ 96 ]  
(Rev.1) 
2006-09-13 WP 4A   Draft Revision of Recommendation ITU-R S.727-1 - Cross-polarization isolation from very small aperture terminals (VSATs)      
[ 95 ]  
(Rev.1) 
2006-09-13 WP 4A   Draft new Recommendation ITU-R S.[FSS/BSS] - Coordination between geostationary-satellite orbit fixed-satellite service networks and broadcasting-satellite service networks in the band 17.3-17.8 GHz      
[ 94 ]  
(Rev.1) 
2006-09-13 WP 4A   Draft revision of Recommendation ITU-R S.1586 - Calculation of unwanted emission levels produced by non-geostationary fixed-satellite service system at radio astronomy sites     236/4  
[ 93 ]  
 
2006-09-13 Chairman, WP 4A   Proposed suppression and re-categorisation of Study Group 4 Questions      
[ 92 ]  
(Rev.1) 
2006-09-12 WP 4B   Draft new Recommendation ITU-R S.[WIDEBAND] - Characteristics of fixed-satellite service systems using wideband spreading signals     270-1/4  
[ 91 ]  
 
2006-09-12 Chairman, WP 4B   Proposed suppression of 1 Study Group 4 Question      
[ 90 ]  
(Rev.1) 
2006-09-12 WP 4B   Proposed draft revision of Recommendation ITU-R S.1061 - Utilization of fade countermeasures strategies and techniques in the fixed-satellite service      
[ 89 ]  
 
2006-09-12 WP 4B   Proposed revision of Question ITU-R 46-2/4 - Preferred multiple-access characteristics in the fixed-satellite service      
[ 88 ]  
(Rev.1) 
2006-09-12 WP 4B   Draft revision of Recommendation ITU-R S.1709 - Technical characteristics of air interfaces of global broadband satellite systems     269/4  
[ 87 ]  
(Rev.1) 
2006-09-12 WP 4B   Proposed draft revision of Recommendation ITU-R S.1062-3 - Allowable error performance for a satellite hypothetical reference digital path operating below 15 GHz     75-3/4  
[ 86 ]  
 
2006-09-05 Director, BR   Final List of Participants      
[ 85 ]  
 
2006-09-04 Chairman, WP 4-9S   Executive Report of the Meetings of Working Party 4-9S      
[ 84 ]  
 
2006-09-04 BR Study Group Department   List of documents issued for the Joint meeting of Study Groups 4 and 9      
[ 83 ]  
 
2006-08-31 BR Study Group Department   Status of SF-series Recommendations and Reports - Frequency sharing between the fixed-satellite service and the fixed service      
[ 82 ]  
 
2006-08-31 WP 4-9S   Status of Questions assigned to Working Party 4-9S - Fixed service sharing with the fixed-satellite service      
[ 81 ]  
 
2006-05-12 WP 4-9S   Draft revision of Recommendation ITU-R SF.1649 - Guidance for determination of interference from earth stations on vessels (ESVs) to stations in the fixed service when the ESV is within the minimum distance      
[ 80 ]  
 
2006-05-09 WP 4A   Working document in response to the request from the Study Group 4 Rapporteur on Vocabulary with respect to DRR ITU-R S.1713 - Methodology to calculate the minimum separation angle at the Earth's surface between a non-geostationary HEO-type FSS satellite in its "active" arc and a geostationary satellite      
[ 79 ]  
 
2006-05-09 WP 4A   Draft revision of Recommendation ITU-R S.1713 - Methodology to calculate the minimum separation angle at the Earth's surface between a non-geostationary HEO-type FSS satellite in its "active" arc and a geostationary satellite     241/4  
[ 78 ]  
 
2006-01-19 SG 4   Summary record of Study Group 4 meeting on 17 and 18 November 2005      
[ 77 ]  
 
2005-11-18 Director, BR   Final List of Participants - Study Group 4      
[ 76 ]  
 
2005-11-17 BR Study Group Department   List of documents issued      
[ 75 ]  
 
2005-11-17 TSAG   Liaison statement to ITU-R SGs - Request for registration and dissemination of ITU-T technology watch function      
[ 74 ]  
 
2005-11-17 Chairman, WP 4B   Proposed suppression of 3 Study Group 4 Questions      
[ 73 ]  
 
2005-11-17 Working Party 4A   Letter from SG 4 to the Director, BR on disaster relief communications      
[ 72 ]  
 
2005-11-17 Working Party 4A   Update of Study Group 4 antenna measurements database - Measurement data for small Earth station antenna radiation patterns in the 29, 19.2, 14 and 12 GHz frequency bands     42/4  
[ 71 ]  
 
2005-11-17 Chairman, WP 4A   Progress on Working Party 4A work arising from WRC-03      
[ 70 ]  
(Rev.1) 
2005-11-17 WP 4A   Draft revision of Recommendation ITU-R S.1427 - Methodology and criterion to assess interference from terrestrial WAS/RLAN transmitters to non-GEO MSS feeder links in the band 5 150-5 250 MHz     248/4  
[ 69 ]  
(Rev.1) 
2005-11-17 WP 4A   Draft new Recommendation ITU-R S.[HEO_TT&C] - Analysis of interference from HEO system space operation transmissions in FSS bands into GSO networks and corresponding guidelines to be used for designing the operating TT&C for HEO-type FSS systems      
[ 68 ]  
(Rev.1) 
2005-11-17 WP 4A   Draft revision of Recommendation ITU-R S.524 - Maximum permissible levels of off-axis e.i.r.p. density from earth stations in geostationary-satellite orbit networks operating in the fixed-satellite service transmitting in the 6 GHz, 14 GHz and 30 GHz frequency bands     259/4, 70/4  
[ 67 ]  
(Rev.1) 
2005-11-17 WP 4A   Draft revision of Recommendation ITU-R S.1001 - Use of systems in the fixed-satellite service in the event of natural disasters and similar emergencies for warning and relief operations      
[ 66 ]  
(Rev.1) 
2005-11-17 WP 4A   Draft new Recommendation ITU-R S.[HEO_SYS_CHAR] - Characterization of HEO-type systems in the FSS      
[ 65 ]  
 
2005-11-16 CCV   Liaison statement to ITU-R Study Groups      
[ 64 ]  
 
2005-11-15 Chairman, WP 4B   Report of the nineteenth and twentieth meetings of Working Party 4B - (Fortaleza, Brazil, 7-14 June 2005 & 1-8 November 2005)      
[ 63 ]  
(Rev.1) 
2005-11-08 WP 4B   Draft revision to Recommendation ITU-R S.1432     78/4, 75/4, 73/4  
[ 62 ]  
 
2005-11-08 WP 4B   Proposed draft revision of Question ITU-R 263/4 - Performance objectives of digital links in the fixed-satellite service for transmission of Internet or higher layer Protocol packets      
[ 61 ]  
 
2005-11-02 SG 4 Rapporteur on Vocabulary   Report on the second meeting of CCV      
[ 60 ]  
(Rev.1) 
2005-07-05 WP 4B   This document has been withdrawn      
[ 59 ]  
 
2005-07-05 WP 4B   Draft revision to Question ITU-R 73-1/4 - Availability and interruptions to traffic on digital paths or circuits in the fixed-satellite service      
[ 58 ]  
 
2005-06-22 Chairman, WP 4A   Proposed suppression of 3 S-series Recommendations      
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