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ITU-R R23-WP4A

Efficient Orbit/Spectrum Utilization for FSS and BSS

Results:833 total items.
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Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 833 ]  
 
Additional contribution from the united nations office for outer space affairs (UNOOSA) to the ITU-R Handbook on best practices for the sustainable use of frequencies and associated non-GSO orbits by space radiocommunication services     Director, BR     2025-11-13
[ 832 ]  
 
Reply liaison statement on work items dealing with cost and economic aspects of satellite internet connectivity     ITU-T SG3     2025-11-12
[ 831 ]  
 
ICAO position for the ITU WRC-27     International Civil Aviation Organization     2025-10-15
[ 830 ]  
+Ann.9-55 
Report on the fifty-seventh meeting of Working Party 4A (Geneva, 27 October - 6 November 2025)     Chair, WP 4A     2025-11-07
[ 829 ]  
 
Final list of participants - Working Party 4A (Geneva, 27 October - 6 November 2025)     Director, BR     2025-11-07
[ 828 ]  
 
List of documents issued (Documents 4A/567 - 4A/828)     BR, Study Groups Department     2025-11-06
[ 827 ]  
 
Further statistics of space frequency assignments recorded under RR No. 11.41     Director, BR     2025-10-31
[ 826 ]  
 
Liaison statement to Working Party 4A on material for the Handbook on Satellite Communications and Technologies     WP 4B     2025-10-30
[ 825 ]  
 
Further reply from the Radiocommunication Bureau to request from Working Party 4A regarding WRC-27 agenda item 7 - Use of No. 4.4     Director, BR   AI7   2025-10-30
[ 824 ]  
 
Reply liaison statement to Working Party 4A - Comments for sections 5 and 6 regarding MSS and RDSS/RNSS of the draft working document for the Handbook on Satellite Communications and Technologies     WP 4C     2025-10-28
[ 823 ]  
 
Elements and revision of draft working document for the Handbook on Satellite Communications and Technologies     Japan     2025-10-10
[ 822 ]  
 
Possible new rules of procedure on No. 13.6 concerning orbital tolerances for satellite systems not subject to Resolution 8 (WRC-23)     Director, BR   AI7   2025-10-24
[ 821 ]  
 
Reply from the Radiocommunication Bureau to request from Working Party 4A regarding WRC-27 agenda item 7 - Use of No. 4.4     Director, BR   AI7   2025-10-24
[ 820 ]  
 
Reply from the Radiocommunication Bureau to request from Working Party 4A regarding WRC-27 agenda item 1.1     Director, BR   AI1.1   2025-10-24
[ 819 ]  
 
Working document towards a draft new Report [Fixed-satellite service earth station antenna pattern measurements and related analyses]     United States     2025-10-15
[ 818 ]  
 
Liaison statement to Working Party 4A - Coordination between fixed satellite service (FSS) non-GSO (space-to-Earth) earth stations operating in the frequency band 6 700-7 075 MHz and IMT base stations operating in the frequency band 6 425-7 125 MHz     WP 5D     2025-10-17
[ 817 ]  
 
Proposed topic to be considered under WRC-27 agenda item 7 - Capability of a space station to satisfy the requirements for bringing into use of frequency assignments specified in the provisions of Radio Regulations Nos. 11.44B, 11.44C, 11.44D and 11.44E     France   AI7   2025-10-13
[ 816 ]  
 
Proposed topic under WRC-27 agenda item 7 - Possible revision to Resolution 553 (Rev.WRC-23) toward effectively achieving the objective of the resolution for the enhancement of equitable access to the 21.4-22 GHz frequency band     Iran (Islamic Republic of)   AI7   2025-10-15
[ 815 ]  
 
Considerations and proposed updates to working document on WRC-27 agenda item 1.4     Iran (Islamic Republic of)   AI1.4   2025-10-15
[ 814 ]  
 
Revisions for elements for a working document towards draft CPM text for WRC-27 agenda item 1.4     Iran (Islamic Republic of)   AI1.4   2025-10-15
[ 813 ]  
 
Views on proposed topics for WRC-27 agenda item 7     Saudi Arabia , Bahrain , Comoros , Djibouti , Egypt , Iraq , Jordan , Kuwait , Lebanon , Libya , Mauritania , Morocco , Oman , Qatar , Somalia , State of Palestine (*) , Sudan , Syrian Arab Republic , Tunisia , United Arab Emirates , Yemen   AI7   2025-10-15
[ 812 ]  
 
Proposed topic to be considered under WRC-27 agenda item 7 on RR No. 4.4     Saudi Arabia , Algeria , Bahrain , Comoros , Djibouti , Egypt , Iraq , Jordan , Kuwait , Lebanon , Libya , Mauritania , Morocco , Oman , Qatar , Somalia , State of Palestine (*) , Sudan , Syrian Arab Republic , Tunisia , United Arab Emirates , Yemen   AI7   2025-10-15
[ 811 ]  
 
Proposed topic to be considered under WRC-27 agenda item 7 on the definition of coordination arc for frequency bands above 3.4 GHZ     Saudi Arabia , Algeria , Bahrain , Comoros , Djibouti , Egypt , Iraq , Jordan , Kuwait , Lebanon , Libya , Mauritania , Morocco , Oman , Qatar , Somalia , State of Palestine (*) , Sudan , Syrian Arab Republic , Tunisia , United Arab Emirates , Yemen   AI7   2025-10-15
[ 810 ]  
 
Use of the 13.75-14 GHz band     Argentina , Colombia , Costa Rica , Ecuador , Guatemala , Honduras , Mexico , Paraguay , Uruguay     2025-10-15
[ 809 ]  
 
Studies for inclusion in the working document on WRC-27 agenda item 1.2 - Update to working document on WRC-27 agenda item 1.2     Sweden   AI1.2   2025-10-15
[ 808 ]  
 
Proposed amendments to the working document towards a preliminary draft Handbook on best practices for the sustainable use of frequencies and associated non-GSO orbits by space radiocommunication services     Telesat     2025-10-15
[ 807 ]  
 
Preliminary observations on the draft rule of procedure under RR No. 13.6     United States     2025-10-15
[ 806 ]  
 
Proposed revisions to working document on WRC-27 agenda item 1.2 Part 5: sharing between the FSS and the SRS     United States   AI1.2   2025-10-15
[ 805 ]  
 
Revisions to draft working document for the Handbook on Satellite Communications and Technologies     United States     2025-10-15
[ 804 ]  
 
Working document towards a preliminary draft ITU-R Handbook on best practices for the sustainable use of frequencies and associated non-GSO orbits by space radiocommunication services     United States     2025-10-15
[ 803 ]  
 
Suppression of Annex 10 to Working Party 4A Chair's Report supporting material for WRC-27 agenda item 1.5     United States   AI1.5   2025-10-15
[ 802 ]  
 
Updates/revisions to elements of a working document towards candidate topic under WRC-27 agenda item 7 regarding exclusion of the territory of a country from the service area of a geostationary satellite network (GSO) in the fixed-satellite service (FSS) or mobile-satellite service (MSS) in a frequency band not subject to a plan     United States   AI7   2025-10-15
[ 801 ]  
 
Updates/revisions to working document towards candidate topic under WRC-27 agenda item 7 regarding proposed modifications to Appendix 4     United States   AI7   2025-10-15
[ 800 ]  
 
Updates/revisions to elements of a working document towards candidate topic under WRC-27 agenda item 7 recording of frequency assignments in space services under RR No. 11.41     United States   AI7   2025-10-15
[ 799 ]  
 
Updates/revisions to elements of a working document towards candidate topic under WRC-27 agenda item 7 regarding measures to restrict the use of the same satellite to BIU frequency assignments of different GSO satellite networks (within 0.5 degrees of longitude of the physical satellite) without moving the satellite ("hop without move")     United States   AI7   2025-10-15
[ 798 ]  
 
Updates/revisions to elements of a working document towards candidate topic under WRC-27 agenda item 7, the use of the same satellite or different satellites to repeatedly bring into use and bring back into use the same frequency assignments of a satellite network or system for a short period of time     United States   AI7   2025-10-15
[ 797 ]  
 
Updates/revisions to elements of a working document towards candidate topic under WRC-27 agenda item 7 transparency measures and improvements to the application of Radio Regulations No. 4.4 to space/satellite services     United States   AI7   2025-10-15
[ 796 ]  
 
Updates/revisions to elements of a working document towards draft CPM text for WRC-27 agenda item 1.6     United States   AI1.6   2025-10-15
[ 795 ]  
 
Updates/revisions to elements of a working document towards draft CPM text for WRC-27 agenda item 1.5     United States   AI1.5   2025-10-15
[ 794 ]  
 
Reply liaison statement to Working Party 7D on WRC-27 agenda item 1.16     United States   AI1.16   2025-10-15
[ 793 ]  
 
Working document towards a draft new Recommendation [Earth-station radiation patterns to use when phased-array antennas communicating with both GSOs and non-GSOs are involved]     United States     2025-10-15
[ 792 ]  
 
Working document containing technical work relating to the GSO ES gain patterns used by recommendation ITU-R S.1503     United States     2025-10-15
[ 791 ]  
 
Proposed updates to working document towards a preliminary draft revision of Recommendation ITU-R S.1503-4 - Functional description to be used in developing software tools for determining conformity of non-geostationary-satellite orbit fixed-satellite service systems or networks with limits contained in Article 22 of the Radio Regulations     United States     2025-10-15
[ 790 ]  
 
Proposed updates to working documents towards a preliminary draft revision of Recommendation ITU-R S.1325, preliminary draft new Recommendations ITU-R S.[AGGREGATE EPFD KA KU] and ITU-R S.[EXCEEDANCE EPFD KA KU]     United States     2025-10-15
[ 789 ]  
 
Proposed updates to technical studies in response to WRC-23 minutes on Article 22 epfd limits     United States     2025-10-15
[ 788 ]  
 
Working document relating to WRC-27 agenda item 1.1     United States   AI1.1   2025-10-15
[ 787 ]  
 
Proposed revisions to working document on WRC-27 agenda item 1.2 - Working document on WRC-27 agenda item 1.2 - Operational and technical limitations for FSS earth stations in the frequency band 13.75-14 GHz (Earth-to-space)     United States   AI1.2   2025-10-15
[ 786 ]  
 
Proposed revision to Resolution 170     United States     2025-10-15
[ 785 ]  
 
Candidate topic under WRC-27 agenda item 7 assessing the potential advantage to define coordination arc for some frequency bands above 3.4 GHz and services currently not subject to the application of the coordination arc concept, and to review the existing coordination arc thresholds     United States   AI7   2025-10-15
[ 784 ]  
 
Possible measures to enhance long-term protection and sustainable development of BSS in the plan band against severe misaligned FSS in other regions     United States     2025-10-15
Results:833 total items.
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