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ITU-R R23-WP4A Meeting Documents
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Results: 87 total items.
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Number  Date Source Title Questions 
  Number  Posted Size    
 
[ 1078 ]  2026-08-25 Kazakhstan   To elevate a preliminary draft revision towards a draft revision of Recommendation ITU-R S.673-2 - Terms and definitions relating to space radiocommunications     N/A  
  [ 1078 ]  - English -  Word 2026-08-26 [12:17]  43'703  bytes  
 
[ 1077 ]  2026-08-24 Ad hoc Group on Satellite Communications and Technologies Handbook   Working document towards a draft new Handbook on Satellite Communications and Technologies     N/A  
  [ 1077 ] Part 17 - English -  Word 2026-08-25 [14:40]  71'572  bytes List of abbreviations (Annex A) and List of references (Annex B)  
  [ 1077 ] Part 16 - English -  Word 2026-08-25 [14:39]  63'214  bytes International Cooperation in Satellite Communications  
  [ 1077 ] Part 15 - English -  Word 2026-08-25 [14:39]  60'407  bytes Space Debris Mitigation  
  [ 1077 ] Part 14 - English -  Word 2026-08-25 [14:39]  265'392  bytes The Space Environment  
  [ 1077 ] Part 13 - English -  Word 2026-08-25 [14:38]  82'205  bytes Communication Satellite Reliability  
  [ 1077 ] Part 12 - English -  Word 2026-08-25 [14:38]  781'715  bytes Communication Satellite Link Performance  
  [ 1077 ] Part 11 - English -  Word 2026-08-25 [14:37]  6'913'916  bytes Launch Vehicles  
  [ 1077 ] Part 10 - English -  Word 2026-08-25 [14:37]  9'085'835  bytes Ground Subsystems - Design and technology  
  [ 1077 ] Part 9 - English -  Word 2026-08-25 [14:36]  13'053'153  bytes Space Segment Subsystems - Design and technology  
  [ 1077 ] Part 8 - English -  Word 2026-08-25 [14:34]  9'057'514  bytes Regulatory considerations  
  [ 1077 ] Part 7 - English -  Word 2026-08-25 [14:34]  56'816  bytes Amateur-satellite service  
  [ 1077 ] Part 6 - English -  Word 2026-08-25 [14:33]  294'896  bytes Radiodetermination-satellite service (RDSS)  
  [ 1077 ] Part 5 - English -  Word 2026-08-25 [14:32]  72'035  bytes Mobile-satellite service (MSS) Concept  
  [ 1077 ] Part 4 - English -  Word 2026-08-25 [14:32]  550'737  bytes Broadcasting-satellite service (BSS) Concept  
  [ 1077 ] Part 3 - English -  Word 2026-08-25 [14:31]  390'411  bytes Fixed-Satellite Service (FSS) Concept  
  [ 1077 ] Part 2 - English -  Word 2026-08-25 [14:30]  2'498'219  bytes International Telecommunication Union (ITU)  
  [ 1077 ] Part 1 - English -  Word 2026-08-25 [14:29]  278'143  bytes Introduction  
  [ 1077 ]  - English -  Word 2026-08-25 [14:27]  53'386  bytes Working document towards a draft new Handbook on Satellite Communications and Technologies  
 
[ 1076 ]  2026-07-15 International Organization of Space Communications - INTERSPUTNIK   Proposed supplement to the preliminary draft ITU-R Handbook on best practices for the sustainable use of frequencies and associated non-geostationary-satellite orbits by space radiocommunication services     N/A  
  [ 1076 ]  - English -  Word 2026-07-15 [15:43]  37'142  bytes  
 
[ 1075 ]  2026-07-10 Chair, WP 4A   Report on the fifty-eigth ter meeting of Working Party 4A (Virtual, 6-10 July 2026)     N/A  
  [ 1075 ]  - English -  Word 2026-07-24 [11:50]  173'511  bytes Report on fifty-eighth ter meeting of Working Party 4A  
  [ 1075 ] Annex 1 - English -  Word 2026-07-15 [11:59]  182'410  bytes Document relating to draft CPM text for WRC-27 agenda item 1.5  
  [ 1075 ] Annex 2 - English -  Word 2026-07-13 [14:10]  52'241  bytes Examples of mechanisms to avoid unauthorized transmissions  
 
[ 1073 ]  2026-07-10 BR, Study Groups Department   List of documents issued (Documents 4A/1071 - 4A/1073)     N/A  
  [ 1073 ]  - English -  Word 2026-07-10 [16:58]  36'080  bytes  
 
[ ADM 74 ]  2026-07-10 Chair, WP 4A   Agenda for the closing Plenary Meeting of Working Party 4A - Friday, 10 July 2026, from 1615 to 1730 hours (Geneva time) (following WP 4C Plenary) (Physical meeting with remote participation) (Room C, ITU Tower)     N/A  
  [ ADM 74 ]  - English -  Word 2026-07-10 [17:01]  46'816  bytes  
 
[ 1074 ]  2026-07-10 Director, BR   Final list of participants - Working Party 4A (Virtual, 6-10 July 2026)     N/A  
  [ 1074 ]  - English -  PDF (acrobat) 2026-07-10 [16:22]  161'467  bytes  
 
[ 1070 ]  2026-07-01 Chair, WP 4A   Report on the fifty-eigth bis meeting of Working Party 4A (Virtual, 29-30 June 2026)     N/A  
  [ 1070 ]  - English -  Word 2026-07-21 [11:07]  44'791  bytes Report on the virtual meeting of Working Party 4A  
  [ 1070 ] Annex 1 - English -  Word 2026-07-08 [12:40]  332'598  bytes Working document towards draft CPM text for WRC-27 agenda item 1.2  
 
[ 1072 ]  2026-07-08 ITU-T SG5   Reply liaison statement on ITU-T Question 3/5 progress on matters related to EMF     N/A  
  [ 1072 ] Part 1 - English -  PDF (acrobat) 2026-07-08 [09:17]  281'372  bytes  
  [ 1072 ]  - English -  Word 2026-07-08 [09:16]  317'361  bytes  
 
[ ADM 73 ]  2026-07-02 Chairs, WP 4A & 4C   Fifty-eight ter meeting of Working Party 4A - Thirty-fifth bis meeting of Working Party 4C - Meeting schedule (6-10 July 2026)     N/A  
  [ ADM 73 ] Revision 1 - English -  Word 2026-07-06 [11:06]  44'831  bytes  
 
[ ADM 72 ]  2026-07-02 Chair, WP 4A   Proposed working structure of Working Party 4A - Structure, document attribution and nomination of Chairs     N/A  
  [ ADM 72 ] Revision 1 - English -  Word 2026-07-06 [10:54]  45'615  bytes  
 
[ ADM 71 ]  2026-07-02 Chair, WP 4A   Agenda for the opening Plenary Meeting of Working Party 4A - Monday, 6 July, from 0900 to 1015 hours (Geneva time) (Physical meeting with remote participation) (Room C, ITU Tower)     N/A  
  [ ADM 71 ]  - English -  Word 2026-07-02 [10:41]  44'240  bytes  
 
[ 1071 ]  2026-07-01 Chair, WP 4A   Proposed modifications to document relating to draft CPM text for WRC-27 agenda item 1.5     AI1.5  
  [ 1071 ] Part 2 - English -  Word 2026-07-01 [16:49]  159'780  bytes  
  [ 1071 ] Part 1 - English -  Word 2026-07-01 [16:49]  223'426  bytes  
  [ 1071 ]  - English -  Word 2026-07-01 [16:48]  534'186  bytes  
 
[ 1069 ]  2026-07-01 Director, BR   Final list of participants - Working Party 4A (Virtual, 29-30 June 2026)     N/A  
  [ 1069 ]  - English -  PDF (acrobat) 2026-07-01 [10:59]  140'142  bytes  
 
[ 1068 ]  2026-07-01 BR, Study Groups Department   List of documents issued (Documents 4A/1066 - 4A/1068)     N/A  
  [ 1068 ]  - English -  Word 2026-07-01 [10:47]  36'057  bytes  
 
[ 1067 ]  2026-07-01 WPs 3K and 3M   Liaison statement to Working Parties 4A, 4C, 5C, 5D, 7C and 7D - Update to the Earth-space and aeronautical statistical clutter loss model     N/A  
  [ 1067 ]  - English -  Word 2026-07-01 [11:58]  46'683  bytes  
 
[ ADM 70 ]  2026-06-30 Chair, WP 4A   Agenda for the closing Plenary Meeting of Working Party 4A - Tuesday, 30 June 2026, from 1600 to 1615 hours (Geneva time) following SWG 4A2b (Virtual meeting)     N/A  
  [ ADM 70 ]  - English -  Word 2026-06-30 [14:12]  43'339  bytes  
 
[ INF 9 ]  2026-06-30 BR, Study Groups Department   Information for participants - Meetings of Working Parties 4A and 4C (Geneva, 6-10 July 2026)     N/A  
  [ INF 9 ]  - English -  Word 2026-07-01 [10:06]  5'181'664  bytes  
  [ INF 9 ] Part 1 - English -  PowerPoint 2007 2026-07-01 [09:10]  4'099'561  bytes  
 
[ 1066 ]  2026-06-26 Chair, WP 4A   Editorial revision of Annex 4 of Document 4A/1064 - Working document towards draft CPM text for WRC-27 agenda item 1.2     AI1.2  
  [ 1066 ]  - English -  Word 2026-06-26 [15:55]  310'398  bytes  
 
[ ADM 69 ]  2026-06-26 Chair, WP 4A   Work program for the meeting of Working Party 4A (Virtual meeting, 29-30 June 2026)     N/A  
  [ ADM 69 ]  - English -  Word 2026-06-26 [14:31]  43'836  bytes  
 
[ ADM 68 ]  2026-06-26 Chair, WP 4A   Proposed working structure of Working Party 4A - Structure, document attribution and nomination of Chairs     N/A  
  [ ADM 68 ]  - English -  Word 2026-06-29 [08:07]  43'165  bytes  
 
[ ADM 67 ]  2026-06-26 Chair, WP 4A   Agenda for the opening Plenary Meeting of Working Party 4A - Monday, 29 June, from 1200 to 1315 hours (Geneva time) (Virtual meeting)     N/A  
  [ ADM 67 ]  - English -  Word 2026-06-29 [12:07]  44'325  bytes  
 
[ 1064 ]  2026-05-15 Chair, WP 4A   Report on the fifty-eigth meeting of Working Party 4A (Geneva, 4-14 May 2026)     N/A  
  [ 1064 ]  - English -  Word 2026-06-25 [16:08]  274'102  bytes Report on the meeting of Working Party 4A (4-14 May 2026)  
  [ 1064 ] Annex 14 - English -  Word 2026-06-18 [14:22]  139'667  bytes Working document towards draft CPM text on WRC-27 agenda item 1.6  
  [ 1064 ] Annex 43 - English -  Word 2026-06-18 [11:06]  2'965'256  bytes Working document toward preliminary draft new Report on FPA/ESA terminal qualification & test requirements  
  [ 1064 ] Annex 9 - English -  Word 2026-06-17 [16:50]  289'304  bytes Working document towards draft CPM Text for WRC-27 agenda item 1.4  
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