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ITU-R R23-WP4A  C 

ITU-R R23-WP4A

Efficient Orbit/Spectrum Utilization for FSS and BSS

Results:833 total items.
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Contributions  Documents / Contributions
 
Number 
Title Source AI/Question
Date
[ 683 ]  
 
Elements for working document towards a preliminary draft Handbook on best practices for the sustainable use of frequencies and associated non-GSO orbits by space radiocommunication services     Saudi Arabia , Bahrain     2025-10-14
[ 682 ]  
 
WRC-27 agenda item 7 candidate topic proposed revision to Resolution 553     Luxembourg   AI7   2025-10-14
[ 681 ]  
 
WRC-27 agenda item 7 candidate topic possible measures to enhance long-term protection and sustainable development of BSS in the plan band against severe misaligned FSS in other regions     Luxembourg   AI7   2025-10-14
[ 680 ]  
 
Elements of working document towards draft CPM text on WRC-27 agenda item 7 - Assessing the potential advantage to define coordination arc for some frequency bands above 3.4 GHz and services currently not subject to the application of the coordination arc concept, and to review the existing coordinations arc thresholds     Luxembourg   AI7   2025-10-14
[ 679 ]  
 
Considerations on the epfd measurements     Luxembourg     2025-10-14
[ 678 ]  
 
Modifications to Annex 4 of technical studies [for information] in response to WRC-23 minutes on RR Article 22 epfd limits without any regulatory consequences     Luxembourg     2025-10-14
[ 677 ]  
 
Derivation of Ka band epfd limits     Luxembourg     2025-10-14
[ 676 ]  
 
Work plan on Recommendation ITU-R S.1428 antenna pattern     Luxembourg     2025-10-14
[ 675 ]  
 
Proposals for WRC-27 agenda item 1.4     Asia Satellite Telecommunications Co. Ltd. (AsiaSat)   AI1.4   2025-10-14
[ 674 ]  
 
Proposed topic to be considered under WRC-27 agenda item 7 - Possible measures to prevent the repeated uses of the same satellite or different satellites to bring into use and bring back into use the same frequency assignments of a satellite network or system for a short period of time     France , Montenegro   AI7   2025-10-14
[ 673 ]  
 
Revision of the Chair's Report on the 56th meeting of Working Party 4A     France , Croatia , Korea (Rep. of) , Montenegro   AI7   2025-10-14
[ 672 ]  
 
Proposed modifications to working document towards a preliminary draft new Report ITU-R S.[INTERFERENCE-NGSO-NGSO/GSO] - [Possible] Examples of methodologies to assess interference levels during coordination when non-geostationary FSS satellite systems for frequency ranges between 10.7 and 52.4 GHz are involved     Korea (Rep. of)     2025-10-14
[ 671 ]  
 
Proposed modifications to working document on WRC-27 agenda item 1.2 (Part 3) - Operational and technical limitations for FSS earth stations in the frequency band 13.75-14 GHz (Earth-to-space)     Korea (Rep. of)   AI1.2   2025-10-14
[ 670 ]  
 
Proposed modifications to the working document on WRC-27 agenda item 1.2 - Operational and technical limitations for FSS earth stations in the frequency band 13.75-14 GHz (Earth-to-space)     Korea (Rep. of)   AI1.2   2025-10-14
[ 669 ]  
 
Proposed topic to be considered under WRC-27 agenda item 7 - Assessing the potential advantage to define coordination arc for frequency bands above 3.4 GHz and services currently not subject to the application of the coordination arc concept, and to review the existing coordination arc thresholds     Korea (Rep. of)   AI7   2025-10-14
[ 668 ]  
 
Proposed topic to be considered under WRC-27 agenda item 7 - Possible measures to prevent the repeated uses of the same satellite or different satellites to bring into use and bring back into use the same frequency assignments of a satellite network or system for a short period of time     Korea (Rep. of)   AI7   2025-10-14
[ 667 ]  
 
Proposed topic to be considered under WRC-27 agenda item 7 - Recording of frequency assignments in space services under RR No. 11.41     Korea (Rep. of)   AI7   2025-10-14
[ 666 ]  
 
Proposed topic to be considered under WRC-27 agenda item 7 - Transparency measures and improvements to the application of RR No. 4.4 to space service     Korea (Rep. of)   AI7   2025-10-14
[ 665 ]  
 
Proposal regarding section 2.4.4 of the ITU-R Handbook on best practices for the sustainable use of frequencies and associated non-GSO orbits by space radiocommunication services     Secure World Foundation     2025-10-14
[ 664 ]  
 
Proposal regarding section 2.4.2 of the ITU-R Handbook on best practices for the sustainable use of frequencies and associated non-GSO orbits by space radiocommunication services     Secure World Foundation     2025-10-14
[ 663 ]  
 
Views on technical studies in response to WRC-23 minutes on Article 22 epfd limits     EchoStar Operating LLC     2025-10-13
[ 662 ]  
 
Interference measurement campaign on epfd limits in Colombia     Colombia , Space Exploration Technologies Corp. (SpaceX)     2025-10-13
[ 661 ]  
 
Working document relating to WRC-27 agenda item 1.3 - Studies relating to the use of the frequency band 51.4-52.4 GHz to enable its use by gateway earth stations transmitting to non-geostationary-satellite orbit systems in the fixed-satellite service (Earth-to-space)     European Space Agency (ESA) , European Organisation for the Exploitation of Meteorological Satellite   AI1.3   2025-10-13
[ 660 ]  
 
Working document towards a preliminary draft new ITU-R Report WRC-27 agenda item 1.1 - Use of frequency bands 47.2-50.2 GHz and 50.4-51.4 GHz (Earth-to-space) by aeronautical and maritime earth stations in motion in the fixed-satellite service     European Space Agency (ESA) , European Organisation for the Exploitation of Meteorological Satellite   AI1.1   2025-10-13
[ 659 ]  
 
Update to working document on WRC-27 agenda item 1.5     India   AI1.5   2025-10-13
[ 658 ]  
 
Incumbent system characteristics in the 2.5/2.6 GHz frequency bands for sharing and compatibility studies in preparation for WRC-27 agenda item 1.13     India   AI1.13   2025-10-13
[ 657 ]  
 
Amendments to working document relating to WRC-27 agenda item 1.3     India   AI1.3   2025-10-13
[ 656 ]  
 
Proposal regarding section 1.3 of the ITU-R Handbook on best practices for the sustainable use of frequencies and associated non-GSO orbits by space radiocommunication services     International Organization of Space Communications - INTERSPUTNIK     2025-10-13
[ 655 ]  
 
Implementation of Resolution 86 (Rev.WRC-07)     Iran (Islamic Republic of)     2025-10-12
[ 654 ]  
 
Exclusion of the territory of a country from the service area of a geostationary satellite network (GSO) in the fixed-satellite service (FSS) or mobile-satellite service (MSS) in a frequency band not subject to a plan     Iran (Islamic Republic of)     2025-10-12
[ 653 ]  
 
Working document towards draft of CPM text on WRC-27 agenda item 1.1 - Use of frequency bands 47.2-50.2 GHz and 50.4-51.4 GHz (Earth-to-space) by aeronautical and maritime earth stations in motion in the fixed-satellite service     Iran (Islamic Republic of)   AI1.1   2025-10-12
[ 652 ]  
 
Associated administration     Iran (Islamic Republic of)     2025-10-12
[ 651 ]  
 
Sections 2 and 3 of elements of working document towards draft CPM text for WRC-27 agenda item 1.5     Asia Satellite Telecommunications Co. Ltd. (AsiaSat)   AI1.5   2025-10-10
[ 650 ]  
 
Elements of working document towards draft CPM text for WRC-27 agenda item 1.5 - Proposals in respect of elements of Section 5 (regulatory example text)     Asia Satellite Telecommunications Co. Ltd. (AsiaSat)   AI1.5   2025-10-10
[ 649 ]  
 
Proposed the change of text structure to working document related to a preliminary draft new Recommendation ITU-R S.[ESIM-NCMC] - The functionalities and implementation of a network control and monitoring center for Earth stations in motion     Japan     2025-10-10
[ 648 ]  
 
Consideration of the definition of "reserve capacity" in Recommendation ITU-R S.1323     Japan     2025-10-10
[ 647 ]  
 
Views on working document containing technical work relating to the GSO earth station gain patterns used by Recommendation ITU-R S.1503     Japan     2025-10-10
[ 646 ]  
 
Preliminary draft revision of Recommendation ITU-R BO.1443-3 - Reference BSS earth station antenna patterns for use in interference assessment involving non-GSO satellites in frequency bands covered by RR Appendix 30     Japan   Q280/4, AI1.4   2025-10-10
[ 645 ]  
 
Preliminary draft revision of Recommendation ITU-R BO.1900 - Reference receive earth station antenna pattern for the broadcasting-satellite service in the band 21.4-22 GHz in Regions 1 and 3     Japan   Q280/4, AI1.4   2025-10-10
[ 644 ]  
 
Revisions for elements for a working document towards draft CPM text for WRC-27 agenda item 1.4     Japan   AI1.4   2025-10-10
[ 643 ]  
 
Revisions for working document on WRC-27 agenda item 1.4     Japan   AI1.4   2025-10-10
[ 642 ]  
 
Interference measurement campaign on epfd limits in Romania     Space Exploration Technologies Corp. (SpaceX)     2025-10-09
[ 641 ]  
 
Proposed topic to be considered under WRC-27 agenda item 7 - Capability of a space station to satisfy the requirements for bringing into use of frequency assignments specified in the provisions of Radio Regulations Nos. 11.44B, 11.44C, 11.44D and 11.44E     Bosnia and Herzegovina , Croatia , Korea (Rep. of) , Montenegro , North Macedonia , Serbia   AI7   2025-10-09
[ 640 ]  
 
Availability and link margin     EUTELSAT , Globalstar, Inc. , Viasat, Inc.     2025-10-09
[ 639 ]  
 
Proposal on elements of working document towards draft CPM text on WRC-27 agenda item 1.6     Bosnia and Herzegovina , Croatia , Montenegro , North Macedonia , Serbia   AI1.6   2025-10-08
[ 638 ]  
 
Maritime safety considerations relating to WRC-27 agenda item 1.5 - WRC-27 agenda item 1.5     International Mobile Satellite Organization (IMSO)   AI1.5   2025-10-08
[ 637 ]  
 
Proposals for WRC-27 agenda item 7 topic on transparency measures and improvements to the application of RR No. 4.4 to space services     Brazil   AI7   2025-10-07
[ 636 ]  
 
Assessing the potential advantage to define coordination arc for some frequency bands above 3.4 GHz and services currently not subject to the application of the coordination arc concept, and to review the existing coordination arc thresholds     Brazil   AI7   2025-10-07
[ 635 ]  
 
Working document towards candidate topic under WRC-27 agenda item 7 - The use of the same satellite or different satellites to repeatedly bring into use and bring back into use the same frequency assignments of a satellite network or system for a short period of time     Brazil   AI7   2025-10-09
[ 634 ]  
 
FSS deployment models for GSO and non-GSO systems to be used for WRC-27 agenda item 1.2 studies     Brazil   AI1.2   2025-10-07
Results:833 total items.
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