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[528]  Report of the thirty-fourth meeting of Working Party 4C (Geneva, 15-24 October 2025)

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English

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1231073 bytes 2025-11-03 [528] Annex 25

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1150992 bytes 2025-10-28 [528] Annex 24 - Handbook on Satellite Communications and Technologies - Chapter 6

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45317 bytes 2025-10-28 [528] Annex 23 - Handbook on Satellite Communications and Technologies - Chapter 5

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66915 bytes 2025-11-03 [528] Annex 22 - 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

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75275 bytes 2025-11-03 [528] Annex 21 - 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

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392243 bytes 2025-11-03 [528] Annex 20 - Working document towards a preliminary draft new Report ITU-R M.[RES.609] - Potential 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

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41348 bytes 2025-11-03 [528] Annex 19 - Work plan for the revision of Recommendation ITU-R M.1184-3 - Technical characteristics of mobile satellite systems in the frequency bands below 3 GHz for use in developing criteria for sharing between the mobile satellite service (MSS) and other services

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198637 bytes 2025-11-03 [528] Annex 18 - Preliminary draft revision of Recommendation ITU-R M.1184-3 - Technical characteristics of mobile satellite systems in the frequency bands below 3 GHz for use in developing criteria for sharing between the mobile-satellite service (MSS) and other services

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43783 bytes 2025-11-03 [528] Annex 17 - Supporting material on the MSS Protection Criteria to be used in sharing and compatibility studies within the context of WRC-27 agenda items 1.12, 1.13, and 1.14

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91651 bytes 2025-11-03 [528] Annex 16 - Working document towards a preliminary draft revision of Recommendation ITU-R M.1480 - 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

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86228 bytes 2025-11-03 [528] Annex 15 - Working document relating to common frequency bands - Text developed by SWG 4C1a

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45606 bytes 2025-11-03 [528] Annex 14 - 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

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37081 bytes 2025-11-03 [528] Annex 13 - Detailed workplan for WRC-27 agenda item 1.14

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36398 bytes 2025-11-03 [528] Annex 12 Part 1

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16043705 bytes 2025-11-03 [528] Annex 12 - Working document on sharing and compatibility studies of possible new allocations to the MSS on WRC-27 agenda item 1.14

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34661 bytes 2025-11-03 [528] Annex 11 - Working document towards draft CPM text for WRC-27 agenda item 1.13

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41425 bytes 2025-11-03 [528] Annex 10 - Work plan for WRC-27 agenda item 1.13

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1474449 bytes 2025-11-03 [528] Annex 9 - Working document on the possible description and functionality of MSS systems for direct connectivity between space stations and IMT user equipment

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286364 bytes 2025-10-30 [528] Annex 8 Part 9

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47069 bytes 2025-10-30 [528] Annex 8 Part 8

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1518858 bytes 2025-10-30 [528] Annex 8 Part 7

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13095394 bytes 2025-10-30 [528] Annex 8 Part 6

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4756393 bytes 2025-10-30 [528] Annex 8 Part 5

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24367634 bytes 2025-10-30 [528] Annex 8 Part 4

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6039576 bytes 2025-10-30 [528] Annex 8 Part 3

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7944998 bytes 2025-10-30 [528] Annex 8 Part 2

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8143242 bytes 2025-10-30 [528] Annex 8 Part 1

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3020074 bytes 2025-10-30 [528] Annex 8 - Working document on sharing and compatibility studies under WRC-27 agenda item 1.13

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48856 bytes 2025-11-03 [528] Annex 7 - Working document towards draft CPM text for WRC-27 agenda item 1.12

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47108 bytes 2025-11-03 [528] Annex 6 - Draft work plan for WRC-27 agenda item 1.12

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37806 bytes 2025-11-03 [528] Annex 4 - Work plan for WRC-27 agenda item 1.11

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6063617 bytes 2025-11-03 [528] Annex 3 - 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)

Excel 2007  

42739 bytes 2025-11-03 [528] Annex 2 - Part 1

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79277 bytes 2025-11-03 [528] Annex 2 - Enabler table for System characteristics and sharing studies for WRC-27 agenda item 1.11

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48932 bytes 2025-11-03 [528] Annex 1 - Working document towards draft CPM text for WRC-27 agenda item 1.11
 

Document :

ITU-R R23-WP4C  Contribution  528

Title :

Report of the thirty-fourth meeting of Working Party 4C (Geneva, 15-24 October 2025)

Date :

2025-10-24

Source :

Chair, WP 4C

Meeting :

2025-10-15

Access :

Restricted to TIES users [ITU-R]

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