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Efficient orbit/spectrum utilization

Results:433 total items.
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Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 108 ]  
 
Additional HEO FSS non-GSO system and GSO FSS network data for the Recommendation ITU-R S.1328 database     United States of America     2004-10-04
[ 107 ]  
 
Discussions on the definition of HEO     United States of America     2004-10-04
[ 106 ]  
 
Response to liaison statement from JWP 4-9S "Request for additional information on the characteristics fixed-satellite service systems using highly inclined orbits in the 18 GHz band"     United States of America     2004-10-04
[ 105 ]  
 
Proposed amendments to Annexes 2 and 4 of PDNR - Methodology for determining whether an FSS earth station at a given location could transmit in the band 13.75-14 GHz without exceeding the pfd limit in RR No. 5.502     United States of America     2004-10-01
[ 104 ]  
 
Proposed amendments to PDNR - Methodology for determining whether an FSS earth station at a given location could transmit in the band 13.75-14 GHz without exceeding the pfd limit in RR No. 5.502     United States of America     2004-10-01
[ 103 ]  
 
Upgrade to a DNR the PDNR "Static methodology for calculating epfd to facilitate coordination of very large antennas under Nos. 9.7A and 9.7B"     United States of America     2004-10-01
[ 102 ]  
 
Principles of creating a satellite digital access communication network and FSS plan modification     Russian Federation   269/4   2004-10-01
[ 101 ]  
 
Working document on information for CPM text for Agenda item 1.19 - Use of the FSS for Internet applications     United States of America     2004-10-01
[ 100 ]  
 
Revisions to Annex 14 to April 2004 Working Party 4A Chairman's Report     United States of America     2004-10-01
[ 99 ]  
 
Introduction of the coordination arc concept for Geostationary MSS networks between 1 and 3 GHz     France     2004-10-01
[ 98 ]  
 
Proposed definitions for HEO and HIO     France     2004-10-01
[ 97 ]  
 
Preliminary draft new Recommendation - Practical levels of unwanted emissions     France   245/4   2004-10-01
[ 96 ]  
 
Proposed draft revision of Recommendation ITU-R S.1587 to include new parameters and additional ESV systems     United States of America     2004-10-01
[ 95 ]  
 
Suitability of the raised cosine representation for use in the band-by-band studies     France     2004-10-01
[ 94 ]  
 
Proposed modifications to Annex 1 of the preliminary draft revision to Recommendation ITU-R S.1427     Canada   248/4   2004-10-01
[ 93 ]  
 
Proposed modifications to Recommendation ITU-R S.731 - Reference earth-station cross-polarized radiation pattern for use in frequency coordination and interference assessment in the frequency range from 2 to about 30 GHz     Canada     2004-10-01
[ 92 ]  
 
Proposed revision of Recommendation ITU-R S.1432 - Apportionment of the allowable error performance degradations to fixed-satellite service (FSS) hypothetical reference digital paths (HRDP) arising from time invariant interference     Japan     2004-09-28
[ 91 ]  
 
Liaison statement to ITU-R Working Party 4A - Introduction of the coordination ARC concept for geostationary MSS networks between 1 and 3 GHz     WP 8D     2004-09-24
[ 90 ]  
(Rev.1) 
This document has been cancelled     WP 8D     2004-09-24
[ 89 ]  
 
Working document towards PDNR - Calculation of separation angle at any earth station between the direction to a satellite in the HEO "active arc"and the direction to a satellite in the GSO     Israel (State of)   241-1/4   2004-09-23
[ 88 ]  
 
Proposed amendments to the PDNR in Annex 7 to the WP 4A Chairman's report (Doc. 4A/78) - Methodology to calculate the minimum separation angle at the Earth's surface between the direction of a satellite in a HEO "active" arc and the direction of a satellite in the GSO, and thus to find the maximum delta T/T that the HEO satellite could cause     Japan   241/4   2004-09-22
[ 87 ]  
 
Additional study for the working document in Annex 21 of the WP 4A Chairman's report (4A/78) - Analysis of interference from HEO system TT&C transmissions into GSO/FSS networks     Japan   241/4, 240/4   2004-09-22
[ 86 ]  
 
Proposed preliminary draft new Recommendation - Definitions of highly-inclined elliptical orbits and satellite systems using these orbits to provide fixed-satellite service     Japan   241/4   2004-09-22
[ 85 ]  
(Rev.1) 
Proposed upgrade to DNR of the PDNR in Annex 14 to the 4A Chairman's report (4A/78) - Guidelines for protection of FSS satellite networks using the geostationary-satellite orbit (GSO) from interference caused by HEO satellite systems in highly inclined orbits in the frequency band 19.7-10.2 GHz in connection with the application of RR 22.5 CA (WRC-03)     Japan     2004-09-22
[ 84 ]  
 
Working document towards a PDNR - Fixed-satellite service using wideband spreading signals     Japan   270/4   2004-09-22
[ 83 ]  
 
Interference from ultra-wideband devices into networks of fixed-satellite services     Japan   227/1   2004-09-22
[ 82 ]  
 
Report of the first meeting of ITU-R Task Group 1/9     WP 4A Rapporteur to TG 1/9     2004-09-20
[ 81 ]  
 
Liaison statement to Working Party 4A - Compatibility between ultra-wideband (UWB) and FSS systems     TG 1/8     2004-06-24
[ 80 ]  
 
The effect of ultra-wideband emissions on C-band FSS earth stations     NABA     2004-06-02
[ 79 ]  
 
Liaison statement to ITU-R Working Party 4A - Coordination ARC values for triggering coordination with non-planned BSS and its associated feeder-link systems above 17.3 GHz     WP6S   22/6   2004-05-06
[ 78 ]  
+Ann.1-36 
Chairman's Report from the meeting of Working Party 4A (Geneva, 14-23 April 2004)     Chairman, WP 4A     2004-05-04
[ 77 ]  
(Rev.1) 
Liaison statement to Working Parties 4A, 6S, 7C, 8B, 9B and 9D - Computer simulation of unwanted emission spectra for use in compatibility studies between active and passive services     TG 1/9     2004-05-06
[ 76 ]  
 
Liaison statement to Working Party 4A     TG 1/9     2004-05-03
[ 75 ]  
 
Liaison statement to Working Party 4A - Request to be informed of any newly identified spectrum with regard to WRC-07 Agenda igtem 1.19     WP 6S     2004-05-03
[ 74 ]  
 
Final List of Participants - Working Party 4A     Director, BR     2004-04-22
[ 73 ]  
 
Liaison statement to Working Party 4A - Suitability of the raised cosine representation for use in the band-by-band studies     TG 1/9     2004-04-21
[ 72 ]  
 
List of documents issued     BR Study Group Department     2004-04-13
[ 71 ]  
 
Characteristics of geostationary satellites using highly-inclined elliptical orbits (HEOs) - Geostationary satellite networks based on highly-inclined elliptical orbits (HEOs)     Israel (State of)   241-1/4   2004-04-13
[ 70 ]  
 
Guidelines for FSS earth stations to meet pfd limits at country borders in the band 13.75-14 GHz     United Kingdom of Great Britain and Northern Ireland     2004-04-08
[ 69 ]  
 
Working document on ultra-wideband interference to 6 GHz FSS up-links     United Kingdom of Great Britain and Northern Ireland     2004-04-08
[ 68 ]  
 
Review of the orbital arc value for triggering the inter-service coordination between BSS in Region 2 and FSS (space-to-Earth) in Region 1 in the band 17.3-17.7 GHz     France     2004-04-08
[ 67 ]  
 
Clarifiying the notes of Recommendation ITU-R S.524 - Working document towards a preliminary draft revision of Recommendation ITU-R S.524-8     France     2004-04-08
[ 66 ]  
 
FSS parameters to be used in compatibility studies with ultra-wideband devices     France     2004-04-08
[ 65 ]  
 
Sharing between BSS and FSS in the 12 GHz frequency range     France     2004-04-08
[ 64 ]  
 
Possible technical changes to Appendix 30B     AsiaSsat     2004-04-08
[ 63 ]  
 
Agenda item 1.10 "to review the regulatory procedures and associated technical criteria of Appendix 30B without any action on the allotments, the existing systems or the assignments in the list of Appendix 30B"     Viet Nam (Socialist Republic of)     2004-04-08
[ 62 ]  
 
Comments on "a preliminary draft revision to Recommendation ITU-R S.1427" - Methodology and criterion to assess interference from radio local area (RLAN) transmitters to non-GSO MSS feeder links in the band 5 150-5 250 MHz     Agere Systems Nederland, B.V.     2004-04-08
[ 61 ]  
 
Preliminary draft revision to Recommendation ITU-R S.1427 - Methodology and criterion to assess interference from radio local area (RLAN) transmitters to non-GSO MSS feeder links in the band 5 150-5 250 MHz     Canada     2004-04-07
[ 60 ]  
 
Proposed modifications to a working document towards a PDNR on earth station antenna patterns based on measured antenna data     Canada     2004-04-07
[ 59 ]  
 
Proposed draft liaison statement to TG 1/8 - Comments on typical FSS parameters in the 6/4 GHz band     Canada     2004-04-07
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