International Telecommunication Union   ITU
Français  Español
 
Site map Contact Us Print version
  Home : ITU-R : R23-WP4C : Contributions : 744 Recently posted -  Search Meeting Documents
   
[744]  Report of the thirty-fifth meeting of Working Party 4C (Geneva, 22 April -1 May 2026)

Format

Size

Posted

English

Word  

86679 bytes 2026-05-25 [744] Annex 28 - Working document toward a preliminary draft revision of Recommendation ITU-R M.1480-0 - Essential technical requirements of mobile earth stations of geostationary mobile-satellite systems that are implementing the global mobile personal communications by satellite (GMPCS) - memorandum of understanding arrangements in parts of the frequency band 1-3 GHz

Word  

343045 bytes 2026-05-04 [744] Annex 27 - Draft Chapter 6 of Satellite Communications and Technologies Handbook

Word  

55773 bytes 2026-05-04 [744] Annex 26 - Draft Chapter 5 of Satellite Communications and Technologies Handbook

Word  

187960 bytes 2026-05-25 [744] Annex 25 - Working document towards a preliminary draft new Recommendation ITU-R [MSS_SAT_ANTENNA_PATTERN] - Satellite antenna radiation patterns for non-geostationary orbit satellite antennas operating in the mobile-satellite service below 30 GHz

Word  

1117467 bytes 2026-05-25 [744] Annex 24 - Working document with regard to overlapping frequency band 2 010-2 025 MHz considered in WRC-27 agenda items 1.12 and 1.13

Word  

73225 bytes 2026-05-06 [744] Annex 23 - Working document towards a preliminary draft revision to Recommendation ITU-R M.2031-1 - Characteristics and protection criteria of receiving earth stations and characteristics of transmitting space stations in the radionavigation-satellite service (space-to-Earth) operating in the band 5 010-5 030 MHz

Word  

62238 bytes 2026-05-25 [744] Annex 22 - Protection criteria of existing MSS to be applied in sharing and compatibility studies within the WRC-27 agenda items 1.11, 1.12, 1.13 and 1.14

Word  

49907 bytes 2026-05-25 [744] Annex 21 - Proposals on the working document towards a preliminary draft revision of Recommendation ITU-R M.1183

Word  

541260 bytes 2026-05-25 [744] Annex 20 - Working document towards a preliminary draft revision Recommendation ITU-R M.1316-1 - Principles and a methodology for frequency sharing in the 1 610.6-1 613.8 MHz and 1 660-1 660.5 MHz bands between the mobile-satellite service (Earth-to-space) and the radio astronomy service

Word  

2170605 bytes 2026-05-25 [744] Annex 19 - Working document in support of WRC-31 preliminary agenda item 2.9 - Technical characteristics, operational objectives, spectrum needs of emerging RNSS systems to facilitate consideration of WRC-31 preliminary agenda item 2.9

Word  

78684 bytes 2026-05-25 [744] Annex 18 - Preliminary draft revision to Recommendation ITU-R M.1787-6 - Description of systems and networks in the radionavigation-satellite service (space-to-Earth and space-to-space) and technical characteristics of transmitting space stations operating in the bands 1 164-1 215 MHz, 1 215-1 300 MHz and 1 559-1 610 MHz

Word  

147593 bytes 2026-05-22 [744] Annex 17 - Working document towards a preliminary draft new Report ITU-R M.[RES.609-FURTHER] - Study of alternatives to a per-satellite maximum PFD level in ensuring that no single radionavigation-satellite system or network in the 1 164-1 215 MHz frequency band uses up the entire interference allowance specified by resolves 1 of Resolution 609 (Rev.WRC-07)

Word  

385942 bytes 2026-05-25 [744] Annex 16 - Preliminary draft new Report ITU-R M.[RES.609] - Potential analytic tools and mitigation methods to ensure the aggregate equivalent power flux-density (epfd) limit on radionavigation-satellite service (RNSS) systems and networks operating in the 1 164-1 215 MHz band, from resolves 1 of Resolution 609 (Rev.WRC-07), is not exceeded

Word  

52188 bytes 2026-05-22 [744] Annex 15 - Detailed workplan for WRC-27 agenda item 1.14

Excel 2007  

61137 bytes 2026-05-22 [744] Annex 14 - Part 1

Word  

18967149 bytes 2026-05-22 [744] Annex 14 - Draft working document on sharing and compatibility studies of possible new allocations to the MSS on WRC-27 agenda item 1.14

Word  

51188 bytes 2026-05-25 [744] Annex 13 - Working document relating to CPM text for WRC-27 agenda item 1.14 - New frequency allocations to the mobile-satellite service in the frequency bands 2 010-2 025 MHz (Earth-to-space) and 2 160-2 170 MHz (space-to-Earth) in Regions 1 and 3 and 2 120-2 160 MHz (space-to-Earth) in all Regions

Word  

44294 bytes 2026-05-22 [744] Annex 12 - Work plan for WRC-27 agenda item 1.13

Word  

1496684 bytes 2026-05-22 [744] Annex 11 - Working document on the possible description and functionality of MSS Systems for direct connectivity between space stations and IMT user equipment

Word  

519367 bytes 2026-06-04 [744] Annex 10 Part 9

Word  

47069 bytes 2026-06-04 [744] Annex 10 Part 8

Word  

1495859 bytes 2026-06-04 [744] Annex 10 Part 7

Word  

29402427 bytes 2026-06-04 [744] Annex 10 Part 6

Word  

11388600 bytes 2026-06-04 [744] Annex 10 Part 5

Word  

51445136 bytes 2026-06-04 [744] Annex 10 Part 4

Word  

20265062 bytes 2026-06-04 [744] Annex 10 Part 3

Word  

2604586 bytes 2026-06-04 [744] Annex 10 Part 2

Word  

22955264 bytes 2026-06-04 [744] Annex 10 Part 1

Word  

2304054 bytes 2026-06-01 [744] Annex 10 - Working document on sharing and compatibility studies under WRC-27 agenda item 1.13

Word  

310231 bytes 2026-05-22 [744] Annex 9 - Working document towards draft CPM text for WRC-27 agenda item 1.13

Word  

43580 bytes 2026-05-22 [744] Annex 8 - Draft work plan for WRC-27 agenda item 1.12

Word  

1076169 bytes 2026-06-04 [744] Annex 7 Part 6 Annex 8

Word  

135834 bytes 2026-06-04 [744] Annex 7 Part 5 Annex 7

Word  

6176736 bytes 2026-06-12 [744] Annex 7 Part 4 Annex 6

Word  

2603691 bytes 2026-06-04 [744] Annex 7 Part 3 Annex 5

Word  

1890531 bytes 2026-06-04 [744] Annex 7 Part 2 Annex 4

Word  

6933681 bytes 2026-06-04 [744] Annex 7 Part 1 Annex 3

Word  

9828148 bytes 2026-05-25 [744] Annex 7 - Working document regarding WRC-27 agenda item 1.12 - Studies on low-data-rate non-GSO mobile-satellite systems in the mobile-satellite service

Word  

96597 bytes 2026-05-27 [744] Annex 6 - Working document towards draft CPM text for WRC-27 agenda item 1.12

Word  

39533 bytes 2026-05-22 [744] Annex 5 - Work plan for wrc-27 agenda item 1.11

Excel 2007  

64578 bytes 2026-05-22 [744] Annex 4 - Part 1

Word  

113387 bytes 2026-05-22 [744] Annex 4 - Enabler table for system characteristics and sharing studies for WRC-27 agenda item 1.11

Word  

43078 bytes 2026-05-22 [744] Annex 3 - Supporting document for CPM text of agenda item 1.11 comments and questions

Word  

1634997 bytes 2026-05-22 [744] Annex 2 - Part 4

Word  

855384 bytes 2026-05-22 [744] Annex 2 - Part 3

Word  

2604586 bytes 2026-05-22 [744] Annex 2 - Part 2

Word  

3319156 bytes 2026-05-22 [744] Annex 2 - Part 1

Word  

1949254 bytes 2026-05-22 [744] Annex 2 - Working document regarding WRC-27 agenda item 1.11 - Space-to-space links in the frequency bands 1 518-1 544 MHz, 1 545-1 559 MHz, 1 610-1 645.5 MHz, 1 646.5-1 660 MHz, 1 670-1 675 MHz and 2 483.5-2 500 MHz allocated to the mobile-satellite service (MSS)

Word  

526694 bytes 2026-06-03 [744] Annex 1 - Working document towards draft CPM text for WRC-27 agenda item 1.11

Word  

106716 bytes 2026-06-15 [744] Part 1

Word  

298929 bytes 2026-06-15 [744]  - Report of the thirty-fifth meeting of Working Party 4C - (22 April - 1 May 2026)
 

Document :

ITU-R R23-WP4C  Contribution  744

Title :

Report of the thirty-fifth meeting of Working Party 4C (Geneva, 22 April -1 May 2026)

Date :

2026-05-01

Source :

Chair, WP 4C

Meeting :

2026-04-22

Access :

Restricted to TIES users [ITU-R]

Top -  Feedback -  Contact Us -  Copyright © ITU 2008 All Rights Reserved
Contact for this page :  ITU-R Web coordinator
Updated : 2026-06-15