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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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[ 61 ]
|
2025-11-13 |
ITU-T SG5
|
Liaison statement on proposed draft new ITU-T Recommendation on guidance for assessing the environmental impact of radio spectrum utilization
|
N/A
|
|
[ 61 ] - English - Word |
2025-11-13 [11:30]
|
372'566 bytes |
|
| |
|
[ 59 ]
|
2025-11-10 |
Director, BR
|
Final list of participants Study Group 4 (Geneva, 7 November 2025)
|
N/A
|
|
[ 59 ] - English - PDF (acrobat) |
2025-11-10 [11:19]
|
188'390 bytes |
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|
[ 58 ]
|
2025-11-10 |
BR, Study Groups Department
|
List of documents issued (Documents 4/33 - 4/58)
|
N/A
|
|
|
[ 58 ] - English - Word |
2025-11-10 [08:19]
|
39'675 bytes |
|
| |
|
[ ADM 4 ]
|
2025-11-07 |
Chair, SG 4
|
Agenda for the meeting of Radiocommunication Study Group 4 - Friday, 7 November 2025 at 0930 to 1230, 1430-1730 hours (Geneva time) (Physical meeting with remote participation)
(Room Popov, ITU Tower)
|
N/A
|
|
|
[ ADM 4 ] Revision 1 - English - Word |
2025-11-07 [11:58]
|
42'678 bytes |
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|
[ 57 ]
|
2025-11-07 |
Chair, WP 4A
|
Executive Report of the fifty-sixth and fifty-seven meeting
of Working Party 4A (Shanghai, 5 -16 May 2025 and Geneva 27 October - 6 November 2025)
|
N/A
|
|
|
[ 57 ] - English - Word |
2025-11-07 [10:00]
|
68'998 bytes |
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|
[ TD 3 ]
|
2025-11-07 |
Chair, SG 4
|
Work plan for Study Group 4 and its
Working Parties 4A, 4B and 4C until 2027
|
N/A
|
|
|
[ TD 3 ] - English - Word |
2025-11-07 [09:20]
|
77'751 bytes |
|
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[ TD 2 ]
|
2025-11-07 |
SG 4
|
Reply Liaison statement to ITU-T SG17
(copy to ITU-R SG 5 for information) - Update to security contacts and information on security-related Recommendations or other texts under development
|
N/A
|
|
|
[ TD 2 ] - English - Word |
2025-11-07 [09:19]
|
51'416 bytes |
|
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|
[ TD 1 ]
|
2025-11-07 |
SG 4
|
Draft reply liaison statement to ITU-T Study Group 15 - ITU-R Recommendation S.1590 - Technical and Operational Characteristics of Satellites Operating in the Range 20 -375 THz
|
N/A
|
|
|
[ TD 1 ] - English - Word |
2025-11-07 [09:18]
|
56'979 bytes |
|
| |
|
[ 56 ]
|
2025-11-07 |
WP 4A
|
Draft revision of Recommendation ITU-R S.1528 - Satellite antenna radiation patterns for non-geostationary orbit satellite antennas operating in the fixed-satellite service below 30 GHz
|
N/A
|
|
|
[ 56 ] - English - Word |
2025-11-07 [08:21]
|
131'506 bytes |
|
| |
|
[ 55 ]
|
2025-11-07 |
WP 4A
|
Draft revision of Recommendation ITU-R BO.1504 - Effective utilization of spectrum assigned to
the broadcasting satellite service (sound)
|
N/A
|
|
|
[ 55 ] - English - Word |
2025-11-07 [08:03]
|
98'001 bytes |
|
| |
|
[ 54 ]
|
2025-11-06 |
Chair, WP4C
|
Executive report of the thirty-third and thirty-fourth meetings of Working Party 4C - (Shanghai, 23 April to 2 May 2025, Geneva, 15-24 October 2025)
|
N/A
|
|
|
[ 54 ] - English - Word |
2025-11-06 [18:19]
|
74'902 bytes |
|
| |
|
[ 53 ]
|
2025-11-06 |
Chair, WP 4B
|
Executive report of the fifty-sixth and fifty-seventh meetings Working Party 4B - (Shanghai, 30 April - 6 May 2025 & Geneva, 22 - 28 October 2025)
|
N/A
|
|
|
[ 53 ] - English - Word |
2025-11-06 [17:07]
|
42'945 bytes |
|
| |
|
[ 41 ]
|
2025-06-10 |
WP 4B
|
Draft new Recommendation ITU-R M.[IMT-2020-SAT.SPECS] - Detailed specifications of the satellite radio interfaces of International Mobile Telecommunications-2020 (IMT-2020)
|
N/A
|
|
|
[ 41 ] Revision 1 - English - Word |
2025-10-21 [08:48]
|
812'086 bytes |
|
| |
|
[ 52 ]
|
2025-11-03 |
WP 4B
|
Draft revision of Recommendation ITU-R BO.1130-4 - Systems for digital satellite broadcasting to vehicular, portable and fixed receivers in the bands allocated to BSS (sound) in the frequency range 1 400-2 700 MHz
|
N/A
|
|
|
[ 52 ] - English - Word |
2025-11-03 [11:49]
|
112'182 bytes |
|
| |
|
[ 51 ]
|
2025-11-03 |
WP 4B
|
Draft revision of Recommendation ITU-R BO.789-2 - Service for digital sound broadcasting to vehicular portable and fixed receivers for broadcasting-satellite service (sound) in the frequency range 1 400-2 700 MHz
|
N/A
|
|
|
[ 51 ] - English - Word |
2025-11-03 [12:40]
|
38'857 bytes |
|
| |
|
[ 50 ]
|
2025-11-03 |
WP 4C
|
Draft revision to Recommendation ITU-R M.1787-5 - 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
|
Q217-2/4, Q288/4
|
|
|
[ 50 ] - English - Word |
2025-11-03 [11:12]
|
283'975 bytes |
|
| |
|
[ 49 ]
|
2025-11-03 |
WP 4C
|
Draft revision of Report ITU-R M.2305-0 - Consideration of aggregate radio frequency interference event potentials from multiple Earth exploration-satellite service systems on radionavigation-satellite service receivers operating in the 1 215-1 300 MHz frequency band
|
N/A
|
|
|
[ 49 ] - English - Word |
2025-11-03 [13:39]
|
1'663'224 bytes |
|
| |
|
[ 48 ]
|
2025-10-30 |
WP 4C
|
Suppression of Recommendation ITU-R M.632 - Transmission characteristics of a satellite emergency position-indicating radio beacon (satellite EPIRB) system operating through geostationary satellites in the 1.6 GHz band
|
N/A
|
|
|
[ 48 ] - English - Word |
2025-10-30 [10:47]
|
32'323 bytes |
|
| |
|
[ 47 ]
|
2025-10-26 |
Saudi Arabia
, Algeria
, Bahrain
, Jordan
, Kuwait
, Oman
, Tunisia
|
Proposed draft Report to the 33rd Radiocommunication Advisory Group meeting on challenges, overlaps, or opportunities for improvement in current Study Group 4 scope of work
|
N/A
|
|
|
[ 47 ] - English - Word |
2025-10-28 [11:19]
|
76'683 bytes |
|
| |
|
[ 46 ]
|
2025-10-20 |
Egypt
|
Call for input contributions for the ASMG Working Group on Satellite Technologies
|
N/A
|
|
|
[ 46 ] - English - Word |
2025-10-20 [17:37]
|
41'639 bytes |
|
| |
|
[ INF 5 ]
|
2025-10-15 |
Chair, SG 4
|
Recommendations of the SG 4 Steering Committee
|
N/A
|
|
|
[ INF 5 ] - English - Word |
2025-10-15 [09:01]
|
37'290 bytes |
|
| |
|
[ 45 ]
|
2025-10-14 |
Chair, SG 5
|
Note to the Chair ITU-T Study Group 17 copy to ITU-R Study Groups 4, 5 and ITU-D Study Group 2 - Update of the security contact and information on security-related Recommendations or other documents
|
N/A
|
|
|
[ 45 ] - English - Word |
2025-10-14 [16:06]
|
53'475 bytes |
|
| |
|
[ INF 4 ]
|
2025-10-14 |
BR, Study Groups Department
|
Guidelines on the management of fully virtual meetings and physical meetings with remote participation
|
N/A
|
|
|
[ INF 4 ] - English - Word |
2025-10-14 [09:43]
|
44'080 bytes |
|
| |
|
[ INF 3 ]
|
2025-10-07 |
BR, Study Groups Department
|
Information for participants - Meetings of Working Parties 4A, 4B and 4C, and Study Group 4 (Geneva, 15 October-7 November 2025)
|
N/A
|
|
[ INF 3 ] Part 1 - English - PowerPoint 2007 |
2025-10-14 [09:40]
|
4'451'931 bytes |
|
|
|
[ INF 3 ] - English - Word |
2025-10-14 [09:39]
|
5'178'834 bytes |
|
| |
|
[ 44 ]
|
2025-09-18 |
Director, BR
|
Contribution from the United Nations Office for Outer Space Affairs (UNOOSA) to the ITU-R Handbook on Best practices for the sustainable use of frequencies and associated non-GSO orbits by space radiocommunication services (copy to Study Group 4 for information)
|
N/A
|
|
|
[ 44 ] Part 1 - English - PDF (acrobat) |
2025-09-23 [11:10]
|
229'733 bytes |
|
|
|
[ 44 ] - English - Word |
2025-09-23 [11:10]
|
254'970 bytes |
|
| |
|
[ 43 ]
|
2025-09-23 |
WP 4A
|
Draft new Report ITU-R S.[FUSELAGE ATTENUATION] - Simulation results of fuselage attenuation for aeronautical earth stations in motion (A-ESIM) in the 27.5-29.5 GHz band
|
N/A
|
|
|
[ 43 ] - English - Word |
2025-10-02 [09:52]
|
2'485'641 bytes |
|
Results: 28 total items.
|
Multiple Document Download: Formats and Languages to be included (when available):
