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[317]  Report of the meeting of Working Party 7C (Geneva, 16-25 September 2025)

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157419 octetos 2025-10-03 [317] Annex 28- Final list of participants

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46634 octetos 2025-10-03 [317] Annex 27- List of documents issued

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78375 octetos 2025-09-30 [317] Annex 26- Review of Recommendations, Reports and Opinions under the purview of Working Party 7C

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60351 octetos 2025-09-30 [317] Annex 25- Status of Questions assigned to Working Party 7C

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42737 octetos 2025-09-30 [317] Annex 24- Discussion on Recommendations ITU-R RS.2017 and ITU-R RS.1861

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736162 octetos 2025-09-30 [317] Annex 23- Working document towards a preliminary draft new Report ITU-R RS.[NGSO-18-GHZ] - Impact assessment of co-frequency sharing between NGSO FSS (space-to-Earth) and EESS (passive) in 18.6-18.8 GHz band

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35592 octetos 2025-09-30 [317] Annex 22- Preliminary draft new ITU-R Report - Analysis of interference received by EESS (passive) sensors in the 18.6 18.8 GHz band caused by surface water reflections

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2905470 octetos 2025-09-30 [317] Annex 21- Preliminary draft revision of Report ITU-R RS.2431-0 - Technical and operational characteristics of EESS (passive) systems in the frequency range 275-[ XXX] GHz

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4301921 octetos 2025-09-30 [317] Annex 20- Preliminary draft revision of Recommendation ITU-R RS.1861-1 - Typical technical and operational characteristics of Earth exploration-satellite service (passive) systems using allocations between 1.4 and 275 GHz

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12881308 octetos 2025-09-30 [317] Annex 19- Working document towards a preliminary draft new Report ITU-R RS.[EESS(PASSIVE)6-7 GHZ] - Use of EESS (passive) in the 6 425-7 250 MHz range

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42976 octetos 2025-09-30 [317] Annex 18- Work plan for WRC-27 agenda item 1.19

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66065 octetos 2025-09-29 [317] Annex 17- Draft CPM text for WRC-27 agenda item 1.19

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66190577 octetos 2025-09-30 [317] Annex 16- Working document towards a preliminary draft new Report on WRC-27 agenda item 1.19 - Studies on possible allocations to the Earth exploration-satellite service (passive) in the bands 4 200-4 400 MHz and 8 400-8 500 MHz

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56908 octetos 2025-09-29 [317] Annex 15- Status of issues related to EESS (passive) above 86 GHZ (as of 25 September 2025)

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36259 octetos 2025-09-30 [317] Annex 14- Working document on draft CPM text for WRC-27 agenda item 1.18 resolves 1

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1231640 octetos 2025-09-29 [317] Annex 13- Working document towards preliminary draft new Report ITU-R RS.[1.18 - EESS]

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7217947 octetos 2025-09-29 [317] Annex 12- Working document towards preliminary draft revised Report ITU-R RS.2456-2 - Space weather sensor systems using radio spectrum

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96796 octetos 2025-09-29 [317] Annex 11- Draft CPM text for WRC-27 agenda item 1.17

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1050254 octetos 2025-09-29 [317] Annex 10- Working document toward a preliminary draft new Report ITU-R RS.[SW_STUDIES] - Studies on possible primary allocations to the meteorological aids service (space weather) for receive-only space weather sensors

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280154 octetos 2025-09-29 [317] Annex 9- Working document towards a preliminary draft new Recommendation ITU-R RS.[RXSW_PROTECT_CRITERIA] - Protection criteria of receive-only space weather sensors in the meteorological aids service (space weather)

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33752 octetos 2025-09-30 [317] Annex 8- Draft revision to Question ITU-R 234/7 - Frequency sharing between active sensor systems in the Earth exploration-satellite service and systems operating in other services in the 1 215-1 300 MHz band

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39153 octetos 2025-09-30 [317] Annex 7- Preliminary draft revision to Recommendation ITU-R RS.1282 - Feasibility of sharing between wind profiler radars and active spaceborne sensors in the vicinity of 1 260 MHz

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772881 octetos 2025-09-30 [317] Annex 6- Working document towards a preliminary draft new ITU-R Report - Typical technical and operational characteristics of spaceborne active sensors for possible extension of the 3100-3300 MHz frequency band under WRC-31 preliminary agenda item 2.12

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456054 octetos 2025-09-30 [317] Annex 5- Preliminary draft revision to Recommendation ITU-R RS.1749 - Mitigation technique to facilitate the use of the 1 215-1 300 MHz band by the Earth exploration-satellite service (active) and the space research service (active)

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1331087 octetos 2025-09-30 [317] Annex 4- Preliminary draft revision to Recommendation ITU-R RS.1628 - Feasibility of sharing in the band 35.5 36 GHZ between the Earth exploration-satellite service (active) and space research service (active), and other services allocated in this band

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56118 octetos 2025-09-30 [317] Annex 3- Working document towards preliminary draft revision of Recommendation ITU-R RS.2105-3 - Typical technical and operational characteristics of Earth exploration-satellite service (active) systems using allocations between 40 MHz and 238 GHz

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241908 octetos 2025-09-30 [317] Annex 2- Elements of working document towards a preliminary draft new Report ITU-R M.[EESS SAR AND METRAD IN X BAND] - Compatibility study between spaceborne EESS (active) SAR systems and ground-based meteorological radars operated in frequency band 9 100-9 500 MHz

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149149 octetos 2025-09-29 [317] Annex 1- Preliminary draft new Report ITU-R RS.[AGG_EESS_SAR-RNSS] - Examples of evaluating and resolving interference into receiving earth stations in the radionavigation-satellite service (space-to-Earth) from multiple spaceborne synthetic aperture radar sensors in the Earth exploration-satellite (active) service in the 1 215-1 300 MHz band
 

Documento :

UIT-R R23-WP7C  Contribución  317

Título :

Report of the meeting of Working Party 7C (Geneva, 16-25 September 2025)

Recibido en :

2025-09-25

Origen :

Chair, WP 7C

Reunión :

2025-09-16

Disponibilidad :

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