International Telecommunication Union   ITU
Français  Espańol
 
Site map Contact Us Print version
  Home : ITU-R : WP4A : Contributions  Recently posted -  Search Meeting Documents
   
ITU-R WP4A  C 

ITU-R WP4A

Efficient orbit/spectrum utilization

Results:433 total items.
Result page:  Previous -  1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9  - Next Next
Contributions  Documents / Contributions
 
Number 
Received Source Title Questions
[ 133 ]  
 
2004-10-21 WP 1B   Liaison statement to Working Parties 4A, 4-9S, 6E, 6S, 7B, 7C, 7D, 8A, 8B, 8D, 8F, 9A and 9D - PDNR ITU-R SM.[EML] - Index for evaluation of the effect of interference between radio communication networks operating in a shared frequency band     N/A  
[ 132 ]  
 
2004-10-20 Director, BR   Final List of Participants - Working Party 4A     N/A  
[ 131 ]  
 
2004-10-20 SG 1   Liaison statement from Study Group 1 to Working Parties 4A, 4-9S and 9B and Study Groups 7 and 8 for action and to Study Group 6 and the CVC for information     N/A  
[ 130 ]  
 
2004-10-14 WP 1A WG 1A-1   Liaison statement to Working Party 8D - Unwanted emission control for feeder links of the mobile-satellite service in bands near 1.4 GHz     N/A  
[ 129 ]  
 
2004-10-12 BR Study Group Department   List of documents issued     N/A  
[ 128 ]  
 
2004-10-11 WP 4-9S   Liaison statement to Working Party 4A - Request for clarification on the assumptions used to derive the number of active HIO satellites operating in the 17.7-19-7 GHz frequency band     N/A  
[ 127 ]  
 
2004-10-08 New Skies Satellites N.V.   Proposed amendments to the PDNR in Annex 8 to Working Party 4A Chairman's Report (Doc. 4A/78) - 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     N/A  
[ 126 ]  
 
2004-10-06 Director, BR   Studies leading towards a review of Appendix 30B - Experiences in the application of the regulatory procedures and technical annexes     N/A  
[ 125 ]  
 
2004-10-06 Director, BR   Studies leading towards a review of Appendix 30B - Reply to the request in Annex 9 to Doc. 4A/78     N/A  
[ 124 ]  
 
2004-10-06 N/A   Studies leading towards a review of Appendix 30B - Reply to the request in Annex 9 to Document 4A/78     N/A  
[ 123 ]  
 
2004-10-06 France   Review of the coordination 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     N/A  
[ 122 ]  
 
2004-10-06 France   Provisions relating to existing systems     N/A  
[ 121 ]  
 
2004-10-06 France   Proposed draft revision to Recommendation ITU-R S.1503 - Functional description to be used in developing software tools for determining conformity of non-geostationary-satellite orbit fixed-satellite system networks with limits contained in Article 22 of the Radio Regulations     N/A  
[ 120 ]  
 
2004-10-06 France   Working document towards a preliminary draft revision of Recommendation ITU-R S.524-8 - 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     259/4, 70/4  
[ 119 ]  
 
2004-10-06 France   Proposed revisions 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     N/A  
[ 118 ]  
 
2004-10-06 France   Working document towards a preliminary draft revision to Recommendation ITU-R S.727-1 - Cross-polarization isolation from very small aperture terminals (VSATs)     23/4  
[ 117 ]  
 
2004-10-06 Korea (Republic of)   Consideration of preliminary draft revision of Recommendation ITU-R S.524-8 - Maximum permissible levels of off-axis e.i.r.p. density from earth stations in geostationary-satellite orbit networks operating in the fixed-stellite service     259/4, 70/4  
[ 116 ]  
 
2004-10-06 Korea (Republic of)   Proposal of working document towards a preliminary draft new Recommendation     230/4  
[ 115 ]  
 
2004-10-06 United States of America   Response to liaison statement from TG 1/8 "Compatibility between ultra-wideband (UWB) and FSS systems"     N/A  
[ 114 ]  
 
2004-10-05 WP 7D   Liaison statement regarding preliminary draft new Recommendation - Practical levels of unwanted emissions     245/4  
[ 113 ]  
 
2004-10-04 WP 7B   Liaison statement to Working Party 4A - Compatibility studies between the meteorological satellite service and the fixed-satellite service in the band 18.0-18.4 GHz     N/A  
[ 112 ]  
 
2004-10-04 WP 7B   Liaison statement to WP 4A - Sharing between non-GSO/GSO inter-satellite links and GSO/GSO inter-satellite links in the bands 22.55-23.55 GHz and 25.5-27.5 GHz     N/A  
[ 111 ]  
 
2004-10-04 WP 4A Rapporteur to TG 1/8   Report of the third meeting of ITU-R TG 1/8     N/A  
[ 110 ]  
 
2004-10-04 France   Review of ITU-R Recommendations dealing with the sharing between BSS and FSS in the 12 GHz frequency range     N/A  
[ 109 ]  
 
2004-10-04 WP 7B   Liaison statement to WP 4A - Sharing between space research service (space VLBI telemetry) and fixed satellite service in the 37.5-38 GHz band     N/A  
[ 108 ]  
 
2004-10-04 United States of America   Additional HEO FSS non-GSO system and GSO FSS network data for the Recommendation ITU-R S.1328 database     N/A  
[ 107 ]  
 
2004-10-04 United States of America   Discussions on the definition of HEO     N/A  
[ 106 ]  
 
2004-10-04 United States of America   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"     N/A  
[ 105 ]  
 
2004-10-01 United States of America   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     N/A  
[ 104 ]  
 
2004-10-01 United States of America   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     N/A  
[ 103 ]  
 
2004-10-01 United States of America   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"     N/A  
[ 102 ]  
 
2004-10-01 Russian Federation   Principles of creating a satellite digital access communication network and FSS plan modification     269/4  
[ 101 ]  
 
2004-10-01 United States of America   Working document on information for CPM text for Agenda item 1.19 - Use of the FSS for Internet applications     N/A  
[ 100 ]  
 
2004-10-01 United States of America   Revisions to Annex 14 to April 2004 Working Party 4A Chairman's Report     N/A  
[ 99 ]  
 
2004-10-01 France   Introduction of the coordination arc concept for Geostationary MSS networks between 1 and 3 GHz     N/A  
[ 98 ]  
 
2004-10-01 France   Proposed definitions for HEO and HIO     N/A  
[ 97 ]  
 
2004-10-01 France   Preliminary draft new Recommendation - Practical levels of unwanted emissions     245/4  
[ 96 ]  
 
2004-10-01 United States of America   Proposed draft revision of Recommendation ITU-R S.1587 to include new parameters and additional ESV systems     N/A  
[ 95 ]  
 
2004-10-01 France   Suitability of the raised cosine representation for use in the band-by-band studies     N/A  
[ 94 ]  
 
2004-10-01 Canada   Proposed modifications to Annex 1 of the preliminary draft revision to Recommendation ITU-R S.1427     248/4  
[ 93 ]  
 
2004-10-01 Canada   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     N/A  
[ 92 ]  
 
2004-09-28 Japan   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     N/A  
[ 91 ]  
 
2004-09-24 WP 8D   Liaison statement to ITU-R Working Party 4A - Introduction of the coordination ARC concept for geostationary MSS networks between 1 and 3 GHz     N/A  
[ 90 ]  
(Rev.1) 
2004-09-24 WP 8D   This document has been cancelled     N/A  
[ 89 ]  
 
2004-09-23 Israel (State of)   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     241-1/4  
[ 88 ]  
 
2004-09-22 Japan   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     241/4  
[ 87 ]  
 
2004-09-22 Japan   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     241/4, 240/4  
[ 86 ]  
 
2004-09-22 Japan   Proposed preliminary draft new Recommendation - Definitions of highly-inclined elliptical orbits and satellite systems using these orbits to provide fixed-satellite service     241/4  
[ 85 ]  
(Rev.1) 
2004-09-22 Japan   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)     N/A  
[ 84 ]  
 
2004-09-22 Japan   Working document towards a PDNR - Fixed-satellite service using wideband spreading signals     270/4  
Results:433 total items.
Result page:  Previous -  1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9  - Next Next
 
Multiple Document Download: Check the boxes of the selected documents, then click "Zip and download"
   
 
User preferences: 
Multiple Document Download: Formats and Languages to be included (when available):
HTML Navigation Pages  
Formats  + Other formats
Languages (maximum 2)  + Multilingual 
(E: English - F: French - S: Spanish - A: Arabic - C: Chinese - R: Russian)
Top -  Feedback -  Contact Us -  Copyright © ITU 2008 All Rights Reserved
Contact for this page :  ITU-R Web coordinator
Updated : 2005-11-01