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ITU-R R23-WP4A Meeting Documents
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Results: 56 total items.
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Number  Date Source Title Questions 
  Number  Posted Size    
 
[ 822 ]  2025-10-24 Director, BR   Possible new rules of procedure on No. 13.6 concerning orbital tolerances for satellite systems not subject to Resolution 8 (WRC-23)     AI7  
  [ 822 ]  - English -  Word 2025-10-24 [17:38]  44'107  bytes  
 
[ 821 ]  2025-10-24 Director, BR   Reply from the Radiocommunication Bureau to request from Working Party 4A regarding WRC-27 agenda item 7 - Use of No. 4.4     AI7  
  [ 821 ]  - English -  Word 2025-10-24 [17:23]  58'768  bytes  
 
[ 820 ]  2025-10-24 Director, BR   Reply from the Radiocommunication Bureau to request from Working Party 4A regarding WRC-27 agenda item 1.1     AI1.1  
  [ 820 ]  - English -  Word 2025-10-24 [11:19]  885'285  bytes  
 
[ 812 ]  2025-10-15 Saudi Arabia , Algeria , Bahrain , Comoros , Djibouti , Egypt , Iraq , Jordan , Kuwait , Lebanon , Libya , Mauritius , Morocco , Oman , Qatar , Somalia , State of Palestine (*) , Sudan , Syrian Arab Republic , Tunisia , United Arab Emirates , Yemen   Proposed topic to be considered under WRC-27 agenda item 7 on RR No. 4.4     AI7  
  [ 812 ]  - English -  Word 2025-10-23 [09:34]  36'012  bytes  
 
[ 813 ]  2025-10-15 Saudi Arabia , Bahrain , Comoros , Djibouti , Egypt , Iraq , Jordan , Kuwait , Lebanon , Libya , Mauritius , Morocco , Oman , Qatar , Somalia , State of Palestine (*) , Sudan , Syrian Arab Republic , Tunisia , United Arab Emirates , Yemen   Views on proposed topics for WRC-27 agenda item 7     AI7  
  [ 813 ]  - English -  Word 2025-10-23 [09:34]  52'895  bytes  
 
[ 811 ]  2025-10-15 Saudi Arabia , Algeria , Bahrain , Comoros , Djibouti , Egypt , Iraq , Jordan , Kuwait , Lebanon , Libya , Mauritius , Morocco , Oman , Qatar , Somalia , State of Palestine (*) , Sudan , Syrian Arab Republic , Tunisia , United Arab Emirates , Yemen   Proposed topic to be considered under WRC-27 agenda item 7 on the definition of coordination arc for frequency bands above 3.4 GHZ     AI7  
  [ 811 ]  - English -  Word 2025-10-23 [09:36]  43'975  bytes  
 
[ 750 ]  2025-10-15 Indonesia   Epfd framework for coexistence between GSO networks and non-GSO systems under agenda item 1.3     AI1.3  
  [ 750 ]  - English -  Word 2025-10-17 [09:45]  122'930  bytes  
 
[ 713 ]  2025-10-14 Singapore , Papua New Guinea   Update to study on interference analysis from FSS into aeronautical RLS for inclusion in the working document on WRC-27 agenda item 1.2     AI1.2  
  [ 713 ]  - English -  Word 2025-10-16 [14:31]  3'035'763  bytes  
 
[ 688 ]  2025-10-14 International Amateur Radio Union   RR No. 4.4 and non-GSO systems     AI7  
  [ 688 ]  - English -  Word 2025-10-15 [16:28]  37'643  bytes  
 
[ 797 ]  2025-10-15 United States   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     AI7  
  [ 797 ]  - English -  Word 2025-10-20 [12:58]  182'764  bytes  
 
[ 772 ]  2025-10-14 France   Example application of a simplified methodology for estimating, based exclusively on publicly available data, the equivalent power flux-density levels into geostationary satellite networks which may be produced by one non-geostationary fixed-satellite service system in frequency bands subject to Resolution 76 (Rev.WRC-23)     N/A  
  [ 772 ] Part 4 - English -  Zip (Document) 2025-10-21 [14:51]  403'012  bytes  
  [ 772 ] Part 3 - English -  Zip (Document) 2025-10-21 [14:50]  401'033  bytes  
  [ 772 ] Part 2 - English -  Zip (Document) 2025-10-21 [14:50]  588'252  bytes  
  [ 772 ] Part 1 - English -  Excel 2007 2025-10-21 [14:40]  3'756'725  bytes  
  [ 772 ]  - English -  Word 2025-10-21 [14:40]  5'483'608  bytes  
 
[ 774 ]  2025-10-14 France   [Working document towards a] preliminary draft new Recommendation ITU-R S.[AGGREGATE_EPFD_SIMPLIFIED_METHODOLOGY] - Simplified methodology for estimating the aggregate equivalent power flux-density levels into geostationary satellite networks which may be produced by multiple non-geostationary fixed-satellite service systems in frequency bands subject to Resolution 76 (Rev.WRC-23)     N/A  
  [ 774 ]  - English -  Word 2025-10-17 [13:58]  62'313  bytes  
 
[ 819 ]  2025-10-15 United States   Working document towards a draft new Report [Fixed-satellite service earth station antenna pattern measurements and related analyses]     N/A  
  [ 819 ]  - English -  Word 2025-10-20 [12:01]  26'421'058  bytes  
  [ 819 ]  - English -  Zip (Document) 2025-10-20 [11:34]  80'032'074  bytes  
 
[ 818 ]  2025-10-17 WP 5D   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     N/A  
  [ 818 ]  - English -  Word 2025-10-17 [16:33]  44'990  bytes  
 
[ 773 ]  2025-10-14 France   Proposals towards a preliminary draft new revision of Recommendation ITU-R S.2157 - Procedures for the evaluation of interference from any non-geostationary-satellite system into a global set of the generic geostationary-satellite reference links in the frequency bands 37.5-39.5 GHz (space-to-Earth), 39.5-42.5 GHz (space-to-Earth), 47.2-50.2 GHz (Earth-to-space) and 50.4-51.4 GHz (Earth-to-space)     N/A  
  [ 773 ]  - English -  Word 2025-10-17 [14:17]  122'563  bytes  
 
[ 752 ]  2025-10-15 Luxembourg   Working document towards a preliminary draft new ITU-R Report WRC-27 agenda item 1.1 - Use of frequency bands 47.2-50.2 GHz and 50.4-51.4 GHz (Earth-to-space) by aeronautical and maritime earth stations in motion in the fixed-satellite service     AI1.1  
  [ 752 ]  - English -  Word 2025-10-17 [10:09]  51'642  bytes  
 
[ 817 ]  2025-10-13 France   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     AI7  
  [ 817 ]  - English -  Word 2025-10-16 [17:15]  35'337  bytes  
 
[ 816 ]  2025-10-15 Iran (Islamic Republic of)   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     AI7  
  [ 816 ]  - English -  Word 2025-10-20 [16:09]  281'971  bytes  
 
[ 815 ]  2025-10-15 Iran (Islamic Republic of)   Considerations and proposed updates to working document on WRC-27 agenda item 1.4     AI1.4  
  [ 815 ]  - English -  Word 2025-10-20 [16:16]  304'638  bytes  
 
[ 814 ]  2025-10-15 Iran (Islamic Republic of)   Revisions for elements for a working document towards draft CPM text for WRC-27 agenda item 1.4     AI1.4  
  [ 814 ]  - English -  Word 2025-10-20 [15:38]  72'701  bytes  
 
[ 719 ]  2025-10-14 China   Proposed topic to be considered under WRC-23 agenda item 7 - To develop possible regulatory measures to implement Radio Regulations No. 4.4     AI7  
  [ 719 ]  - English -  Word 2025-10-16 [15:39]  61'477  bytes  
 
[ 723 ]  2025-10-14 China   Proposed revisions to working document towards a preliminary draft new Recommendation ITU-R S.[NON-GSO-MODELLING] - Modelling and simulation of non-GSO FSS systems for use in sharing and compatibility studies     N/A  
  [ 723 ]  - English -  Word 2025-10-16 [15:27]  235'836  bytes  
 
[ 810 ]  2025-10-15 Argentina , Colombia , Costa Rica , Ecuador , Guatemala , Honduras , Mexico , Paraguay , Uruguay   Use of the 13.75-14 GHz band     N/A  
  [ 810 ]  - English -  Word 2025-10-20 [14:20]  334'695  bytes  
 
[ 809 ]  2025-10-15 Sweden   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     AI1.2  
  [ 809 ]  - English -  Word 2025-10-20 [14:06]  12'525'428  bytes  
 
[ 808 ]  2025-10-15 Telesat   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     N/A  
  [ 808 ]  - English -  Word 2025-10-20 [15:29]  858'968  bytes  
 
[ 807 ]  2025-10-15 United States   Preliminary observations on the draft rule of procedure under RR No. 13.6     N/A  
  [ 807 ]  - English -  Word 2025-10-20 [13:20]  43'987  bytes  
 
[ 806 ]  2025-10-15 United States   Proposed revisions to working document on WRC-27 agenda item 1.2 Part 5: sharing between the FSS and the SRS     AI1.2  
  [ 806 ]  - English -  Word 2025-10-20 [14:45]  961'069  bytes  
 
[ 805 ]  2025-10-15 United States   Revisions to draft working document for the Handbook on Satellite Communications and Technologies     N/A  
  [ 805 ]  - English -  Word 2025-10-20 [14:34]  44'758  bytes  
 
[ 804 ]  2025-10-15 United States   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     N/A  
  [ 804 ]  - English -  Word 2025-10-20 [12:55]  841'749  bytes  
 
[ 803 ]  2025-10-15 United States   Suppression of Annex 10 to Working Party 4A Chair's Report supporting material for WRC-27 agenda item 1.5     AI1.5  
  [ 803 ]  - English -  Word 2025-10-20 [12:27]  2'919'790  bytes  
 
[ 802 ]  2025-10-15 United States   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     AI7  
  [ 802 ]  - English -  Word 2025-10-20 [12:20]  36'463  bytes  
 
[ 801 ]  2025-10-15 United States   Updates/revisions to working document towards candidate topic under WRC-27 agenda item 7 regarding proposed modifications to Appendix 4     AI7  
  [ 801 ]  - English -  Word 2025-10-20 [12:15]  49'957  bytes  
 
[ 800 ]  2025-10-15 United States   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     AI7  
  [ 800 ]  - English -  Word 2025-10-20 [13:09]  41'185  bytes  
 
[ 799 ]  2025-10-15 United States   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")     AI7  
  [ 799 ]  - English -  Word 2025-10-20 [13:16]  71'406  bytes  
 
[ 798 ]  2025-10-15 United States   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     AI7  
  [ 798 ]  - English -  Word 2025-10-20 [12:09]  45'539  bytes  
 
[ 796 ]  2025-10-15 United States   Updates/revisions to elements of a working document towards draft CPM text for WRC-27 agenda item 1.6     AI1.6  
  [ 796 ]  - English -  Word 2025-10-20 [15:40]  74'369  bytes  
 
[ 795 ]  2025-10-15 United States   Updates/revisions to elements of a working document towards draft CPM text for WRC-27 agenda item 1.5     AI1.5  
  [ 795 ]  - English -  Word 2025-10-20 [11:51]  3'193'500  bytes  
 
[ 794 ]  2025-10-15 United States   Reply liaison statement to Working Party 7D on WRC-27 agenda item 1.16     AI1.16  
  [ 794 ]  - English -  Word 2025-10-20 [10:26]  230'196  bytes  
 
[ 793 ]  2025-10-15 United States   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]     N/A  
  [ 793 ]  - English -  Word 2025-10-20 [09:30]  2'528'821  bytes  
 
[ 792 ]  2025-10-15 United States   Working document containing technical work relating to the GSO ES gain patterns used by recommendation ITU-R S.1503     N/A  
  [ 792 ]  - English -  Word 2025-10-20 [09:20]  48'821  bytes  
 
[ 791 ]  2025-10-15 United States   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     N/A  
  [ 791 ] Part 1 - English -  Excel 2007 2025-10-20 [10:59]  628'373  bytes  
  [ 791 ]  - English -  Word 2025-10-20 [10:59]  5'234'897  bytes  
 
[ 790 ]  2025-10-15 United States   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]     N/A  
  [ 790 ]  - English -  Word 2025-10-20 [15:00]  187'601  bytes  
 
[ 789 ]  2025-10-15 United States   Proposed updates to technical studies in response to WRC-23 minutes on Article 22 epfd limits     N/A  
  [ 789 ] Part 1 - English -  Excel 2007 2025-10-17 [17:19]  127'857  bytes  
  [ 789 ]  - English -  Word 2025-10-17 [17:19]  939'052  bytes  
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