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34530 octets |
2025-11-28 |
[830] Annex 61- Requests for information from BR |
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Word
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32385 octets |
2025-11-28 |
[830] Annex 60- Note to the Director regarding orbital tolerances for satellite systems not subject to Resolution 8 (WRC-23) |
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Word
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38058 octets |
2025-11-24 |
[830] Annex 59- Work plan of the Working Group of the Plenary on Resolution ITU-R 74 |
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Word
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968976 octets |
2025-11-25 |
[830] Annex 58- [Elements of the] working document towards a preliminary draft [new Recommendation ITU-R S.[NGSO DEORBITING]] - [Guidance] on safe and efficient deorbit and/or disposal strategies and methodologies for non-GSO [space stations/systems] involved in radiocommunication services after the end of their life |
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Word
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8279175 octets |
2025-11-25 |
[830] Annex 57- Working document towards a preliminary draft ITU-R Handbook on Best practices for the sustainable use of frequencies and associated non-GSO orbits by space radiocommunication services |
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Word
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34127 octets |
2025-11-24 |
[830] Annex 56- Draft work plan for the Handbook on Satellite Communications and Technologies |
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Word
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57455 octets |
2025-11-12 |
[830] Annex 55 - Part 17- Annex A - List of abbrevations and Annex B - List of references |
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Word
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62026 octets |
2025-11-12 |
[830] Annex 55 - Part 16- International Cooperation in Satellite Communications |
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Word
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106242 octets |
2025-11-12 |
[830] Annex 55 - Part 15- Space Debris Mitigation |
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Word
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274279 octets |
2025-11-12 |
[830] Annex 55 - Part 14- The Space Environment |
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Word
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58177 octets |
2025-11-12 |
[830] Annex 55 - Part 13- Communication Satellite Reliability |
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Word
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779822 octets |
2025-11-12 |
[830] Annex 55 - Part 12- Communication Satellite Link Performance |
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Word
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6012824 octets |
2025-11-12 |
[830] Annex 55 - Part 11- Launch Vehicles |
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Word
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8946150 octets |
2025-11-12 |
[830] Annex 55 - Part 10- Ground Subsystems - Design and technology |
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Word
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11525081 octets |
2025-11-12 |
[830] Annex 55 - Part 9- Space Segment Subsystems - Design and technology |
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Word
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9031146 octets |
2025-11-12 |
[830] Annex 55 - Part 8- Regulatory considerations |
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Word
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57616 octets |
2025-11-12 |
[830] Annex 55 - Part 7- Amateur-satellite service |
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Word
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1168109 octets |
2025-11-12 |
[830] Annex 55 - Part 6- Radiodetermination-satellite service (RDSS) |
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Word
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66732 octets |
2025-11-12 |
[830] Annex 55 - Part 5- Mobile-satellite service (MSS) Concept |
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Word
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972981 octets |
2025-11-12 |
[830] Annex 55 - Part 4- Broadcasting-satellite service (BSS) Concept |
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Word
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631815 octets |
2025-11-12 |
[830] Annex 55 - Part 3- Fixed-Satellite Service (FSS) Concept |
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Word
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3593550 octets |
2025-11-12 |
[830] Annex 55 - Part 2- International Telecommunication Union (ITU) |
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Word
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64403 octets |
2025-11-12 |
[830] Annex 55 - Part 1- Introduction |
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Word
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47274 octets |
2025-11-12 |
[830] Annex 55- Working document towards a draft new Handbook on Satellite Communications and Technologies |
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Word
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35937 octets |
2025-11-26 |
[830] Annex 54- Draft Note to the Director regarding orbital tolerances for satellite systems not subject to Resolution 8 (WRC-23) |
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Word
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48500 octets |
2025-11-26 |
[830] Annex 53- WRC-27 agenda item 7 considerations |
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Word
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68960 octets |
2025-11-26 |
[830] Annex 52- Working document towards a candidate Topic under WRC-27 agenda item 7 - Additional measures for the enhancement of equitable access to additional uses in Appendices 30 and 30A in Regions 1 and 3 |
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Word
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70251 octets |
2025-11-26 |
[830] Annex 51- Working document towards candidate Topic under WRC-27 agenda item 7 - Enhancing the responsibility of the notifying administration of a satellite network or system |
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Word
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613911 octets |
2025-11-26 |
[830] Annex 50- Working document towards draft CPM text for Topic proposed under WRC-27 agenda item 7 - Unrealistic gain contours of submissions under RR Appendices 30, 30A and 30B |
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Word
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97585 octets |
2025-11-26 |
[830] Annex 49- Working document towards draft CPM text for Topic proposed 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 |
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Excel 2007
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74914 octets |
2025-11-26 |
[830] Annex 48 - Part 1
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Word
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2645907 octets |
2025-11-26 |
[830] Annex 48- Working document towards [candidate] Topic under WRC-27 agenda item 7 - Possible measures to enhance long-term protection and sustainable development of BSS in the plan band against severe misaligned FSS in other regions |
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Word
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266473 octets |
2025-11-26 |
[830] Annex 47- Working document towards candidate Topic on WRC-27 agenda item 7 - Inclusion of the territory of a country in the service area of a notified geostationary (GSO) satellite networks in the planned and unplanned BSS frequency bands and in the planned FSS frequency bands subject to Appendices 30A and 30B, without imposing new coordination restrictions to satellite networks already submitted to the Bureau |
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Word
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62478 octets |
2025-11-26 |
[830] Annex 46- Working document towards candidate Topic under WRC-27 agenda item 7 - Proposed revision to Resolution 170 (Rev.WRC-23) |
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Word
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498157 octets |
2025-11-26 |
[830] Annex 45- Working document towards candidate Topic under WRC-27 agenda item 7 proposed revision to Resolution 553 (Rev.WRC-23) |
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Word
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68898 octets |
2025-11-26 |
[830] Annex 44- Elements of working document towards candidate Topic under WRC-27 agenda item 7 - 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 |
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Word
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64984 octets |
2025-11-25 |
[830] Annex 43- [Candidate] Topic under WRC-27 agenda item 7 - Proposed modifications to Appendix 4 |
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Word
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43193 octets |
2025-11-25 |
[830] Annex 42- Working document towards candidate Topic under WRC-27 agenda item 7 assessing the review the existing coordination arc thresholds |
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Word
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62056 octets |
2025-11-25 |
[830] Annex 41- Working document towards [candidate] Topic under WRC-27 agenda item 7 assessing the potential advantage to define coordination arc for some frequency bands above 3 GHz |
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Word
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66677 octets |
2025-11-25 |
[830] Annex 40- Working document towards candidate Topic under WRC-27 agenda item 7 - Recording of frequency assignments in space services under RR No. 11.41 |
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Word
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86641 octets |
2025-11-25 |
[830] Annex 39- Working document towards candidate Topic under WRC-27 agenda item 7 regarding measures to restrict the use of the same satellite to BIU frequency assignments of different GSO satellite networks (within 0.5 degrees of longitude of the physical satellite) without moving the satellite ("Hop without Move") |
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Excel 2007
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547912 octets |
2025-11-26 |
[830] Annex 38 - Part 1
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Word
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664101 octets |
2025-11-25 |
[830] Annex 38- 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 |
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Excel 2007
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653449 octets |
2025-11-25 |
[830] Annex 37 - Part 1
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Word
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902427 octets |
2025-11-25 |
[830] Annex 37- Working document towards candidate Topic under WRC-27 agenda item 7 - Potential regulatory improvements related to the application of RR NO. 4.4 to stations of space services |
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Word
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56462 octets |
2025-11-25 |
[830] Annex 36- Working document towards preliminary draft revision of Recommendation ITU-R S.673-2 - Terms and definitions relating to space radiocommunications |
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Word
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216912 octets |
2025-11-25 |
[830] Annex 35- Elements for a working document towards a preliminary draft new Report ITU-R S.[IOS SPEC NEEDS] - Spectrum needs and operational description of in-orbit servicing (IOS) to support their safe operation |
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Word
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3023662 octets |
2025-11-27 |
[830] Annex 34- Working document towards a draft new [Recommendation][Report] [Earth-station radiation patterns to use when phased-array antennas communicating with both GSOS and non-GSOS are involved] |
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Word
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35083 octets |
2025-11-28 |
[830] Annex 33- Working document towards a preliminary draft new Recommendation ITU-R S.PLANAR ARRAYS - Reference FSS earth-station planar array radiation pattern in frequency bands between [10.7] GHz and [30][50.2] GHz |
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Word
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127423 octets |
2025-11-25 |
[830] Annex 32- Working document towards a preliminary 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 |
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Word
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26653004 octets |
2025-11-28 |
[830] Annex 31- Preliminary draft revision of Recommendation ITU-R S.1717-1 - Electronic data file format for earth station antenna patterns |
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Excel 2007
|
2094291 octets |
2025-11-24 |
[830] Annex 30 - Part 2
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Excel 2007
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1343658 octets |
2025-11-24 |
[830] Annex 30 - Part 1
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Word
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4469439 octets |
2025-11-25 |
[830] Annex 30- Preliminary draft new Recommendation ITU-R S.[RESOLUTION 770] - Functional description to be used in developing software tools for determining conformity of non-geostationary-satellite orbit fixed-satellite service systems or networks in Q/V band with criteria contained in
No. 22.5L of the Radio Regulations |
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Word
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124742 octets |
2025-11-24 |
[830] Annex 29- Working document towards a preliminary draft new revision of Recommendation ITU-R S.2157 - Procedures for the evaluation of interference from any non-geostationary-satellite system into a global set of the generic geostationary-satellite reference links in the frequency bands 37.5-39.5 GHz (space-to-Earth), 39.5-42.5 GHz (space-to-Earth), 47.2-50.2 GHz (Earth-to-space) and 50.4-51.4 GHz (Earth-to-space) |
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Word
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218737 octets |
2025-11-24 |
[830] Annex 28- Working document on ACM performance objectives |
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Word
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1541844 octets |
2025-11-25 |
[830] Annex 27- Working document towards a preliminary draft new Recommendation ITU-R S.[NON-GSO-MODELLING] - Modelling and simulation of non-GSO FSS systems for use |
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Word
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65497 octets |
2025-11-24 |
[830] Annex 26- Working document towards a preliminary draft new Report ITU-R S.[INTERFERENCE-NGSO-NGSO/GSO] |
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Word
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1215581 octets |
2025-11-25 |
[830] Annex 25- Working document towards a preliminary draft revision of Recommendation ITU-R S.1526-1 - Methodology to assess the interference environment in relation to Nos. 9.12, 9.12A and 9.13 of the Radio Regulations when non-geostationary-satellite orbit fixed-satellite service systems are involved |
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Word
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34764 octets |
2025-11-24 |
[830] Annex 24- Detailed work plan for a revision to Recommendation ITU-R S.1503 |
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Word
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112006 octets |
2025-11-24 |
[830] Annex 23- Working document towards a 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 |
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Word
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65094 octets |
2025-11-24 |
[830] Annex 22- Working document towards a preliminary draft revision of Recommendation ITU-R S.1428-1 - Reference FSS earth-station radiation patterns for use in interference assessment involving non-GSO satellites in frequency bands between 10.7 GHz and 30 GHz |
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Word
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23835249 octets |
2025-11-25 |
[830] Annex 21- Supporting material in relation to possible revision of Recommendations ITU-R S.1428 and ITU-R BO.1443, where appropriate and applicable |
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Excel 2007
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27324 octets |
2025-12-11 |
[830] Annex 20 Part 1
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Word
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10022179 octets |
2025-11-26 |
[830] Annex 20- Working document towards a preliminary draft revision of Recommendation ITU-R S.1503 - Functional description to be used in developing software tools for determining conformity of non-geostationary-satellite orbit fixed-satellite service systems or networks with limits contained in RR Article 22 of the Radio Regulations |
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Word
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60407 octets |
2025-11-24 |
[830] Annex 19- Working document towards a preliminary draft revision of Recommendation ITU-R S.1325 - Simulation methodologies for determining statistics of short term interference between co frequency, codirectional non-geostationary-satellite orbit fixed-satellite service systems in circular orbits and other non-geostationary fixed satellite service systems in circular orbits or geostationary-satellite orbit fixed satellite service networks |
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Word
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50154 octets |
2025-11-24 |
[830] Annex 18- Consultation Meeting draft Terms of Reference - Text elements for the Chair's Report on the development of Terms of Reference for the first Consultation Meeting as required under Resolution 76 (Rev.WRC-23) |
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Word
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102213 octets |
2025-11-24 |
[830] Annex 17- Stage 2 process (Resolution 76 (Rev.WRC-23)) - Text elements for the Chair's Report on the development of the Stage 2 Process (Detailed Analysis at Consultation Meeting Based on Operational Parameters) as required under Resolution 76 (Rev.WRC-23) |
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Word
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73088 octets |
2025-11-21 |
[830] Annex 16- Stage 1 Process (Resolution 76 (Rev.WRC-23)) - Text elements for the Chair's Report on the development of the Stage 1 Process (Consultation Meeting Trigger) as required under Resolution 76 |
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Word
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63733 octets |
2025-11-25 |
[830] Annex 15 - Part 7- Annex 7 - Concept of reserve capacity |
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Word
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10472500 octets |
2025-11-25 |
[830] Annex 15 - Part 6- Annex 6 - Measurement campaign of interference to GSO earth stations from non-GSO systems |
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Word
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385356 octets |
2025-11-25 |
[830] Annex 15 - Part 5- Annex 5 - [Technical studies for the protection of GSO / Technical elements to derive epfd limits] |
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Word
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92695 octets |
2025-11-25 |
[830] Annex 15 - Part 4- Annex 4 - Questions to be answered to complete technical studies on epfd limits in RR Article 22 |
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Word
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3948895 octets |
2025-11-25 |
[830] Annex 15 - Part 3- Annex 3 - Overview of the epfd limits in RR Article 22 |
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Word
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18704390 octets |
2025-11-25 |
[830] Annex 15 - Part 2- Annex 2 - Overview of studies |
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Word
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1990999 octets |
2025-11-25 |
[830] Annex 15 - Part 1- Annex 1 - Comparison between satellite parameters retained to conduct technical studies on the epfd limits in Article 22 in 1997-2000 and current state of the art |
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Word
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381611 octets |
2025-11-21 |
[830] Annex 15- Technical studies in response to WRC-23 minutes on Article 22 epfd limits [without any regulatory consequences [for information]] |
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Word
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50193 octets |
2025-11-21 |
[830] Annex 14- Draft revisions to WRC-27 agenda item 7 draft work plan |
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Word
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82698 octets |
2025-11-28 |
[830] Annex 13- Elements of working document towards draft CPM text on WRC-27 agenda item 1.6 |
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Word
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41400 octets |
2025-11-13 |
[830] Annex 12- Information on non-GSO FSS and MSS satellite systems as support for WRC-27 agenda item 1.5 |
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Word
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511096 octets |
2025-11-28 |
[830] Annex 11- Elements of working document towards draft CPM text for WRC-27 agenda item 1.5 |
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Word
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44544 octets |
2025-11-20 |
[830] Annex 10- Draft work plan for WRC-27 agenda item 1.4 |
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Word
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2704844 octets |
2025-11-25 |
[830] Annex 9- Working document on WRC-27 agenda item 1.4 |
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Word
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233882 octets |
2025-11-21 |
[830] Annex 8- Working document towards draft CPM text for WRC-27 agenda item 1.4 |
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Word
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23375 octets |
2025-11-25 |
[830] Annex 7 - Part 1
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Word
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12691862 octets |
2025-11-25 |
[830] Annex 7- 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) |
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Word
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88081 octets |
2025-11-28 |
[830] Annex 6- Revisions to working document towards draft CPM text for WRC-27 agenda item 1.3 |
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Excel 2007
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39043 octets |
2025-11-25 |
[830] Annex 5 - Part 6- Aggregate RLS studies |
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Word
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42825 octets |
2025-11-25 |
[830] Annex 5 - Part 5- Technical discussions |
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Word
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21587091 octets |
2025-11-25 |
[830] Annex 5 - Part 4- Annex 4 - Sharing and compatibility study of FSS systems with SRS operating in the 13.75-14 GHz frequency range |
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Word
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3052248 octets |
2025-11-25 |
[830] Annex 5 - Part 3- Annex 3 - Sharing and compatibility study of aggregated earth station interference from all FSS GSO networks and non-GSO systems with RLS operating in the 13.75-14 GHz frequency range |
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Word
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43836490 octets |
2025-11-25 |
[830] Annex 5 - Part 2- Annex 2 - Aggregated [GSO FSS] earth station interference for sharing and compatibility study [] with RLS operating in the 13.75-14 GHz frequency range |
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Word
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12835515 octets |
2025-11-25 |
[830] Annex 5 - Part 1- Annex 1 - Single FSS Earth station interferer with RLS operating in the 13.75-14 GHz frequency range |
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Word
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4084197 octets |
2025-11-25 |
[830] Annex 5- Working document on WRC-27 agenda item 1.2 - Operational and technical limitations for FSS earth stations in thefrequency band 13.75-14 GHz (Earth-to-space) |
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Word
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106217 octets |
2025-11-28 |
[830] Annex 4- Working document towards draft CPM text for WRC-27 agenda item 1.2 |
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Word
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56388 octets |
2025-11-20 |
[830] Annex 3- Working document related to a preliminary draft new Recommendation ITU.R S.[ESIM-NCMC] - The functionalities and implementation of a network control and monitoring centre for earth stations in motion
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Word
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18445009 octets |
2025-11-20 |
[830] Annex 2- Supporting material for draft 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 |
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Word
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86284 octets |
2025-11-28 |
[830] Annex 1- Working document towards draft 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 |
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Word
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267514 octets |
2025-12-17 |
[830] - Report on the meeting of Working Party 4A (27 October - 6 November 2025) |
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