Contributions  |
|
Number
|
Title
|
Source
|
AI/Question
|
Date
|
|
[ 52 ]
|
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
|
WP 4B
|
|
2025-11-03 |
|
[ 51 ]
|
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
|
WP 4B
|
|
2025-11-03 |
|
[ 50 ]
|
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
|
WP 4C
|
Q288/4, Q217-2/4
|
2025-11-03 |
|
[ 49 ]
|
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
|
WP 4C
|
|
2025-11-03 |
|
[ 48 ]
|
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
|
WP 4C
|
|
2025-10-30 |
|
[ 47 ]
|
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
|
Saudi Arabia
,
Algeria
,
Bahrain
,
Jordan
,
Kuwait
,
Oman
,
Tunisia
|
|
2025-10-26 |
|
[ 46 ]
|
Call for input contributions for the ASMG Working Group on Satellite Technologies
|
Egypt
|
|
2025-10-20 |
|
[ 45 ]
|
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
|
Chair, SG 5
|
|
2025-10-14 |
|
[ 44 ]
|
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)
|
Director, BR
|
|
2025-09-18 |
|
[ 43 ]
|
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
|
WP 4A
|
|
2025-09-23 |
|
[ 42 ]
|
Reply liaison statement to ITU-T Study Group 3 (Copy to ITU-R Study Groups 1 and 4, and to ITU-R Working Parties 4A, 4C and 1C for information) - Creation of new work item on economic and policy aspects of the provision of high-speed Internet connectivity by retail satellite operators
|
WP 1B
|
|
2025-06-23 |
|
[ 41 ]
(Rev.1) |
Draft new Recommendation ITU-R M.[IMT-2020-SAT.SPECS] - Detailed specifications of the satellite radio interfaces of International Mobile Telecommunications-2020 (IMT-2020)
|
WP 4B
|
|
2025-06-10 |
|
[ 40 ]
|
Liaison statement on the activities and studies on sustainable digital transformation
|
TSAG
|
|
2025-06-03 |
|
[ 39 ]
|
Liaison statement on request to update security contacts and to provide information on security-related recommendations or other texts under development
|
ITU-T SG17
|
|
2025-05-29 |
|
[ 38 ]
|
Additional information on the summary of conclusions of the 32nd meeting of the Radiocommunication Advisory Group for the attention of all ITU-R Study Groups and Working Parties
|
Director, BR
|
|
2025-05-23 |
|
[ 37 ]
|
Draft new Report ITU-R M.[IMT-RNSS] - Studies regarding protection of radionavigation-satellite service receiving earth stations operating in the frequency bands 1 164-1 215 MHz, 1 215-1 300 MHz and 1 559-1 610 MHz from spurious emissions of IMT stations in the frequency bands below 3 GHz
|
WP 4C
|
Q217-2/4
|
2025-05-06 |
|
[ 36 ]
|
Liaison statement to Working Party 4A (copy to Study Group 4 and Working Party 4B) - Handbook on Satellite Communications
|
WP 4C
|
|
2025-05-04 |
|
[ 35 ]
|
Liaison statement on the provisional approval of a new work item on cost models for provisioning satellite internet connectivity services
|
ITU-T SG3
|
|
2025-05-02 |
|
[ 34 ]
|
Liaison statement on satellite to satellite free space optical communication
|
ITU-T SG15
|
|
2025-04-15 |
|
[ 33 ]
|
Summary record of the meetings of Study Group 4 (Geneva, 1 November 2024)
|
Chair, SG 4
|
|
2024-11-04 |
|
[ 32 ]
|
Final list of participants Study Group 4 (Geneva, 1 November 2024)
|
Director, BR
|
|
2024-11-04 |
|
[ 31 ]
|
List of documents issued (Documents 4/19 - 4/31)
|
BR, Study Groups Department
|
|
2024-11-01 |
|
[ 30 ]
(Rev.1) |
Executive Report of the fifty-fifth meeting of Working Party 4A (Geneva, 21-31 October 2024)
|
WP 4A
|
|
2024-11-01 |
|
[ 29 ]
|
Proposed suppression of Question ITU-R 284/4 - Spectrum management issues related to the introduction of the broadcasting-satellite service (sound) in the frequency range 1-3 GHz
|
WP 4A
|
|
2024-10-31 |
|
[ 28 ]
|
Draft new Report ITU-R S.[MITIGATION MEASURES] to improve coexistence between IMT systems and receiving FSS earth stations operating within 3 400-3 600 MHz - Mitigation measures between FSS and IMT in the frequency band 3 400-3 600 MHz
|
WP 4A
|
|
2024-10-31 |
|
[ 27 ]
(Rev.1) |
Executive Report of the fifty-fifth meeting of Working Party 4B (Geneva, 16-22 October 2024)
|
Chair, WP 4B
|
|
2024-10-31 |
|
[ 26 ]
|
Executive Report of the thirty-second meeting of Working Party 4C (Geneva, 10-18 October 2024)
|
Chair, WP 4C
|
|
2024-10-30 |
|
[ 25 ]
|
Draft new Report ITU-R M.[SAT-IMT2020-EVAL] - Outcome of the evaluation, consensus building and decision of the IMT 2020 satellite process (Steps 4 to 7), including characteristics of IMT-2020 satellite radio interfaces
|
WP 4B
|
|
2024-10-30 |
|
[ 24 ]
|
Liaison statement to Working Party 4A (copy to Study Group 4) - Satellite Communication Handbook
|
WP 4C
|
|
2024-10-16 |
|
[ 23 ]
|
Reply liaison statement to Working Party 4A (copied for information to Study Groups 4, 5 and 7) - Activities in response to Resolution 219 (Bucharest, 2022) and Resolution ITU-R 74 (RA-23)
|
WP 7B
|
|
2024-10-09 |
|
[ 22 ]
|
ITU role in ensuring long-term sustainability of outer space activities
|
Russian Federation
|
|
2024-10-07 |
|
[ 21 ]
|
Committee on the peaceful uses of outer space: 2024 - Sixty-seventh session (19-28 June 2024) - Space sustainability issues
|
Brazil
|
|
2024-09-26 |
|
[ 20 ]
|
Liaison statement on creation of new work item on economic and policy aspects of the provision of high-speed Internet connectivity by retail satellite operators
|
ITU-T SG3
|
|
2024-07-19 |
|
[ 19 ]
|
Summary record of the meetings of Study Group 4 (Geneva, 23 April and 10 May 2024)
|
Chair, SG 4
|
|
2024-05-10 |
|
[ 18 ]
|
Executive Report of the fifty-fourth meeting of Working Party 4A (Geneva, 1-9 May 2024)
|
Chair, WP 4A
|
|
2024-05-09 |
|
[ 17 ]
(Rev.1) |
Draft revision of Recommendation ITU-R S.1328-4 - Satellite system characteristics to be considered in frequency sharing
analyses within the fixed-satellite service
|
WP 4A
|
|
2024-05-09 |
|
[ 16 ]
|
Draft liaison statement to Study Groups 5 and 7 (copy to Study Group 1 for information) - Activities in response of Resolution 219 (Bucharest, 2022) and
Resolution ITU-R 74
|
Chair, SG 4
|
|
2024-05-09 |
|
[ 15 ]
|
Executive Report of the fifty-fourth meeting of Working Party 4B (Geneva, 29 April - 3 May 2024)
|
Chair, WP 4B
|
|
2024-05-09 |
|
[ 14 ]
|
Executive Report of the thirty-first meeting of Working Party 4C (Geneva, 24-30 April 2024)
|
Chair, WP 4C
|
|
2024-05-09 |
|
[ 13 ]
|
Draft revision of Report ITU-R BO.2497-0 - Characteristics and effectiveness of frequency sharing criteria for the broadcasting-satellite service in Regions 1 and 3 subject to RR Appendix 30
|
WP 4A
|
|
2024-05-06 |
|
[ 12 ]
|
Draft revision of Recommendation ITU-R M.1787-4 - 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
|
WP 4C
|
|
2024-05-01 |
|
[ 11 ]
+Ann.1-9 |
Draft revision of Report ITU-R M.2513-0 - Studies regarding the protection of the primary radionavigation-satellite service (space-to-Earth) by the secondary amateur and amateur-satellite services in the frequency band 1 240-1 300 MHz
|
WP 4C
|
|
2024-05-01 |
|
[ 10 ]
(Rev.1) |
Final list of participants Study Group 4 (Geneva, 23 April - 10 May 2024)
|
Director, BR
|
|
2024-04-24 |
|
[ 9 ]
(Rev.1) |
List of documents issued (Documents 4/1 - 4/18)
|
BR, Study Groups Department
|
|
2024-04-22 |
|
[ 8 ]
(Rev.5) |
Work plan for Study Group 4 and its Working Parties 4A, 4B and 4C until 2027
|
Chair, SG 4
|
|
2024-04-22 |
|
[ 7 ]
|
Liaison statement to Radiocommunication Study Groups and Working Parties (copy for information to ITU-T and ITU-D Study Groups)
|
Chair, CCV
|
|
2024-04-22 |
|
[ 6 ]
|
List of proposed Vice-Chairs of Radiocommunication Study Group 4
|
Director, BR
|
|
2024-04-17 |
|
[ 5 ]
|
Proposals regarding studies related to the sustainable use of radio-frequency spectrum and associated non-GSO satellite-orbit resources used by space services
|
International Organization of Space Communications - INTERSPUTNIK
|
|
2024-04-11 |
|
[ 4 ]
(Rev.1) |
List of proposed Vice-Chairs of the Radiocommunication Study Groups and the CCV
|
Director, BR
|
|
2024-01-26 |
|
[ 3 ]
|
Liaison statement on the activities and studies on sustainable digital transformation
|
ITU-T SG5
|
|
2023-12-21 |
Results:52 total items.
Result page:
1 -
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