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[381]  Report of the meeting of Working Party 7C (Geneva, 2-12 March 2026)

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146339 octets 2026-03-18 [381] Annex 25- Final list of participants

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48916 octets 2026-03-18 [381] Annex 24- List of documents issued

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60836 octets 2026-03-18 [381] Annex 23- Status of Questions assigned to Working Party 7C

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56599 octets 2026-03-18 [381] Annex 22- Review of Recommendations, Reports and Opinions under the purview of Working Party 7C

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37638 octets 2026-03-17 [381] Annex 21- Proposed suppression of Recommendations under the purview of Working Party 7C

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35267 octets 2026-03-17 [381] Annex 20- Discussion on Recommendations ITU-R RS.2017 and ITU-R RS.1861

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31474 octets 2026-03-17 [381] 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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7007540 octets 2026-03-17 [381] Annex 18- Working document towards a preliminary draft new Report ITU-R RS.[NGSO-18-GHZ] - Impact assessment of co-frequency sharing between non-GSO FSS (space-to-Earth) and EESS (passive) in 18.6-18.8 GHz band

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3439330 octets 2026-03-17 [381] Annex 17- 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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71236 octets 2026-03-17 [381] Annex 16- Comments on Recommendation ITU-R RS.1624 - Sharing between the Earth exploration satellite (passive) and airborne altimeters in the aeronautical radionavigation service in the band 4 200-4 400 MHz

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3048676 octets 2026-03-17 [381] Annex 15- Preliminary draft revision of Report ITU-R RS.2431-0 - Technical and operational characteristics of EESS (passive) systems in the frequency range 275-450 GHz

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4304397 octets 2026-03-17 [381] Annex 14- 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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52844 octets 2026-03-18 [381] Annex 13- Draft CPM text for WRC-27 agenda item 1.19

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63349671 octets 2026-03-17 [381] Annex 12- 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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57405 octets 2026-03-17 [381] Annex 11- Status of issues related to EESS (passive) above 86 GHZ (as of 13 March 2026)

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62560 octets 2026-03-18 [381] Annex 10- Draft CPM text for WRC-27 agenda item 1.18 resolves 1

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289810 octets 2026-03-18 [381] Annex 8- Draft CPM text for WRC-27 agenda item 1.17

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1857251 octets 2026-03-18 [381] Annex 7- Working document towards 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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200629 octets 2026-03-18 [381] Annex 6- 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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22098652 octets 2026-03-17 [381] Annex 5- Working document towards a preliminary draft revised Report ITU-R RS.2456-1 - Space weather sensor systems using radio spectrum 

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464490 octets 2026-03-17 [381] Annex 4- Preliminary draft revision of 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 thespace research service (active)

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769452 octets 2026-03-18 [381] Annex 3- Working document towards a preliminary draft new Report - Typical technical and operational characteristics of spaceborne active sensors for possible extension of the 3 100-3 300 MHz frequency band under WRC-31 preliminary agenda item 2.12

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35846 octets 2026-03-16 [381] Annex 2- 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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55975 octets 2026-03-16 [381] Annex 1- 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
 

Document :

UIT-R R23-WP7C  Contribution  381

Titre :

Report of the meeting of Working Party 7C (Geneva, 2-12 March 2026)

Reçu le :

2026-03-12

Source :

Chair, WP 7C

Réunion :

2026-02-03

Disponibilité :

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Mis à jour le : 2026-03-18