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Number |
Date
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Source
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Title
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Questions
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Number |
Posted |
Size
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|
|
| |
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[ 744 ]
|
2026-05-01 |
Chair, WP 4C
|
Report of the thirty-fifth meeting of Working Party 4C (Geneva, 22 April -1 May 2026)
|
N/A
|
|
[ 744 ] Annex 13 - English - Word |
2026-05-25 [15:45]
|
51'188 bytes |
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
|
|
|
[ 744 ] Annex 19 - English - Word |
2026-05-25 [15:37]
|
2'170'605 bytes |
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
|
|
|
[ 744 ] Annex 28 - English - Word |
2026-05-25 [15:14]
|
86'679 bytes |
|
|
|
[ 744 ] Annex 25 - English - Word |
2026-05-25 [15:13]
|
187'960 bytes |
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
|
|
|
[ 744 ] Annex 24 - English - Word |
2026-05-25 [14:43]
|
1'117'467 bytes |
Working document with regard to overlapping frequency band 2 010-2 025 MHz considered in WRC-27 agenda items 1.12 and 1.13
|
|
|
[ 744 ] Annex 22 - English - Word |
2026-05-25 [14:37]
|
62'238 bytes |
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
|
|
|
[ 744 ] Annex 21 - English - Word |
2026-05-25 [14:13]
|
49'907 bytes |
Proposals on the working document towards a preliminary draft revision of Recommendation ITU-R M.1183
|
|
|
[ 744 ] Annex 16 - English - Word |
2026-05-25 [12:16]
|
385'942 bytes |
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
|
|
|
[ 744 ] Annex 20 - English - Word |
2026-05-25 [11:57]
|
541'260 bytes |
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
|
|
|
[ 744 ] Annex 7 - English - Word |
2026-05-25 [11:07]
|
9'828'148 bytes |
Working document regarding WRC-27 agenda item 1.12 - Studies on low-data-rate non-GSO mobile-satellite systems in the mobile-satellite service
|
|
|
[ 744 ] Annex 18 - English - Word |
2026-05-25 [11:03]
|
78'684 bytes |
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
|
|
|
[ 744 ] Annex 17 - English - Word |
2026-05-22 [17:06]
|
147'593 bytes |
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)
|
|
|
[ 744 ] Annex 14 - English - Word |
2026-05-22 [17:03]
|
18'967'149 bytes |
Draft working document on sharing and compatibility studies of possible new allocations to the MSS on WRC-27 agenda item 1.14
|
|
[ 744 ] Annex 14 - Part 1 - English - Excel 2007 |
2026-05-22 [17:00]
|
61'137 bytes |
|
|
|
[ 744 ] Annex 2 - Part 4 - English - Word |
2026-05-22 [16:56]
|
1'634'997 bytes |
|
|
|
[ 744 ] Annex 2 - Part 3 - English - Word |
2026-05-22 [16:56]
|
855'384 bytes |
|
|
|
[ 744 ] Annex 2 - Part 2 - English - Word |
2026-05-22 [16:56]
|
2'604'586 bytes |
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|
|
[ 744 ] Annex 2 - Part 1 - English - Word |
2026-05-22 [16:55]
|
3'319'156 bytes |
|
|
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[ 744 ] Annex 2 - English - Word |
2026-05-22 [16:54]
|
1'949'254 bytes |
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)
|
|
|
[ 744 ] Annex 9 - English - Word |
2026-05-22 [16:38]
|
310'231 bytes |
Working document towards draft CPM text for WRC-27 agenda item 1.13
|
|
|
[ 744 ] Annex 15 - English - Word |
2026-05-22 [16:09]
|
52'188 bytes |
Detailed workplan for WRC-27 agenda item 1.14
|
|
|
[ 744 ] Annex 8 - English - Word |
2026-05-22 [16:07]
|
43'580 bytes |
Draft work plan for WRC-27 agenda item 1.12
|
|
|
[ 744 ] Annex 12 - English - Word |
2026-05-22 [14:58]
|
44'294 bytes |
Work plan for WRC-27 agenda item 1.13
|
|
|
[ 744 ] Annex 11 - English - Word |
2026-05-22 [14:55]
|
1'496'684 bytes |
Working document on the possible description and functionality of MSS Systems for direct connectivity between space stations and IMT user equipment
|
|
|
[ 744 ] Annex 5 - English - Word |
2026-05-22 [12:05]
|
39'533 bytes |
Work plan for wrc-27 agenda item 1.11
|
|
|
[ 744 ] Annex 4 - English - Word |
2026-05-22 [11:53]
|
113'387 bytes |
Enabler table for system characteristics and sharing studies for WRC-27 agenda item 1.11
|
|
|
[ 744 ] Annex 4 - Part 1 - English - Excel 2007 |
2026-05-22 [11:52]
|
64'578 bytes |
|
|
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[ 744 ] Annex 3 - English - Word |
2026-05-22 [11:03]
|
43'078 bytes |
Supporting document for CPM text of agenda item 1.11 comments and questions
|
|
|
[ 744 ] Annex 23 - English - Word |
2026-05-06 [16:27]
|
73'225 bytes |
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
|
|
|
[ 744 ] Annex 27 - English - Word |
2026-05-04 [08:17]
|
343'045 bytes |
Draft Chapter 6 of Satellite Communications and Technologies Handbook
|
|
|
[ 744 ] Annex 26 - English - Word |
2026-05-04 [08:15]
|
55'773 bytes |
Draft Chapter 5 of Satellite Communications and Technologies Handbook
|
| |
|
[ 748 ]
|
2026-05-21 |
WP 4A
|
Reply liaison statement to Working Parties 4B, 4C and 5A (copy for information to Working Parties 5B and 6B) - Handbook on Satellite Communications and Technologies
|
N/A
|
|
|
[ 748 ] - English - Word |
2026-05-21 [17:26]
|
98'224 bytes |
|
| |
|
[ 747 ]
|
2026-05-17 |
Iran (Islamic Republic of)
|
Investigation of interference scenarios between the envisaged single DC-MSS-IMT system and terrestrial IMT networks
|
AI1.13
|
|
|
[ 747 ] - English - Word |
2026-05-20 [09:44]
|
8'793'665 bytes |
|
| |
|
[ 746 ]
|
2026-05-06 |
WP 4B
|
Liaison statement to Working Party 7B (copy for information to Working Parties 4A, 4C and 5B) - Handbook on Satellite Communications and Technologies
|
N/A
|
|
|
[ 746 ] - English - Word |
2026-05-06 [16:13]
|
45'429 bytes |
|
| |
|
[ 551 ]
|
2026-03-26 |
WP 7C
|
Liaison statement to Working Parties 4A, 4C, 5A, 5B, 5C, 5D, 6A, 7B and 7D regarding progress of work - WRC-27 agenda item 1.17
|
AI1.17
|
|
|
[ 551 ] - English - Word |
2026-03-26 [15:05]
|
34'289 bytes |
|
| |
|
[ 741 ]
|
2026-04-24 |
ITU-D SG1
|
Liaison statement from ITU-D Study Group 1 Question 2/1 to ITU-R Working Parties 1B, 4A, 4B, 4C, 5A, 5D, 6A, 6B and 6C - ITU-D Study Group 2 Question 2/1: Enabling policies and regulations for adopting digital telecommunication/ICT services and technologies for distribution and broadcasting
|
N/A
|
|
|
[ 741 ] Revision 1 - English - Word |
2026-05-06 [09:37]
|
37'497 bytes |
|
| |
|
[ 745 ]
|
2026-05-06 |
ITU-D SG2
|
Liaison statement from ITU-D Study Group 2 Question 2/2 to ITU-R Working Parties 1C, 4A, 4C, 5A, 5B, 5C, 5D, 6A, 7B and 7C on the new work of ITU-D Question 2/2 (environment and EMF) - ITU-D Study Group 2 Question 2/2: ICTs for the environment, and assessment of human exposure to electromagnetic fields
|
N/A
|
|
|
[ 745 ] - English - Word |
2026-05-06 [08:34]
|
41'870 bytes |
|
| |
|
[ 743 ]
|
2026-05-01 |
Director, BR
|
Final list of participants - Working Party 4C (Geneva, 22 April -1 May 2026)
|
N/A
|
|
[ 743 ] - English - PDF (acrobat) |
2026-05-04 [11:16]
|
204'345 bytes |
|
| |
|
[ ADM 58 ]
|
2026-05-01 |
Chair, WP 4C
|
Agenda for the closing Plenary meeting of Working Party 4C - Friday, 1 May 2026, 1400-1515, 1545-1715, 1730-1815 hours (Geneva time) (Physical meeting with remote participation) (CICG - Plenary A)
|
N/A
|
|
|
[ ADM 58 ] - English - Word |
2026-05-01 [12:44]
|
49'547 bytes |
|
| |
|
[ TD 174 ]
|
2026-05-01 |
WG 4C1
|
Draft reply liaison statement to Working Party 5D - Studies on WRC-27 agenda item 1.13
|
N/A
|
|
|
[ TD 174 ] - English - Word |
2026-05-01 [12:59]
|
39'040 bytes |
|
| |
|
[ INF 8 ]
|
2026-04-24 |
Chair, WP 4C
|
Interim meeting of Working Party 4C
|
N/A
|
|
|
[ INF 8 ] Revision 2 - English - Word |
2026-05-01 [11:38]
|
43'226 bytes |
|
|
|
[ INF 8 ] Revision 1 - English - Word |
2026-04-28 [10:57]
|
42'106 bytes |
|
|
|
[ INF 8 ] - English - Word |
2026-04-24 [11:41]
|
41'317 bytes |
|
| |
|
[ TD 173 ]
|
2026-05-01 |
WG 4C1
|
Working document on the possible description and functionality of MSS Systems for direct connectivity between space stations and IMT user equipment
|
N/A
|
|
|
[ TD 173 ] - English - Word |
2026-05-01 [11:27]
|
1'497'202 bytes |
|
| |
|
[ TD 172 ]
|
2026-05-01 |
WG 4C1
|
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
|
N/A
|
|
|
[ TD 172 ] - English - Word |
2026-05-01 [11:14]
|
184'385 bytes |
|
| |
|
[ TD 171 ]
|
2026-05-01 |
WG 4C1
|
Work plan for WRC-27 agenda item 1.13
|
AI1.13
|
|
|
[ TD 171 ] - English - Word |
2026-05-01 [11:20]
|
39'106 bytes |
|
| |
|
[ ADM 50 ]
|
2026-04-21 |
Chair, WP 4C
|
Thirty-fifth meeting of Working Party 4C - Meeting schedule (22 April - 1 May 2026)
|
N/A
|
|
|
[ ADM 50 ] Revision 7 - English - Word |
2026-05-01 [10:51]
|
45'558 bytes |
|
| |
|
[ TD 170 ]
|
2026-05-01 |
WG 4C1
|
Working document on sharing and compatibility studies under WRC-27 agenda item 1.13
|
AI1.13
|
|
|
[ TD 170 ] Part 7 - English - Word |
2026-05-01 [13:54]
|
1'495'859 bytes |
|
|
|
[ TD 170 ] Part 3 - English - Word |
2026-05-01 [13:52]
|
20'265'062 bytes |
|
|
|
[ TD 170 ] Part 9 - English - Word |
2026-05-01 [13:47]
|
519'367 bytes |
|
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