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[245]� Report of the twenty-sixth meeting of Working Party 4C (5 - 13 July 2021) (Virtual Meeting)

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32728 bytes 2021-07-21 [245]�Annex 18 - Draft liaison statement to the International Maritime Organization (IMO) (copy for information to ITU-R Working Parties 5B and 5D) - MSS terminals in the L Band

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33676 bytes 2021-07-19 [245]�Annex 17 - Terms of Reference for Working Party 4C Correspondence Group on adjacent band compatibility studies between MSS in the 1 518-1 525 MHz band and IMT in the 1 492-1 518 MHz band

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33674 bytes 2021-07-19 [245]�Annex 16 - Work plan for studies related to IMT/MSS compatibility at 1 518 MHz

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34282 bytes 2021-07-19 [245]�Annex 15 - Work plan on working document towards a preliminary draft new Report ITU-R M.[S-MSS&IMT SHARING]

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35134 bytes 2021-07-19 [245]�Annex 14 - Work plan for WRC-23 agenda item 9.1, topic b)

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33756 bytes 2021-07-20 [245]�Annex 13 - Terms of Reference for Working Party 4C Correspondence Group on WRC-23 agenda item 1.18

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40213 bytes 2021-07-19 [245]�Annex 12 - Work plan for WRC-23 agenda item 1.18

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34318 bytes 2021-07-19 [245]�Annex 11 - Work plan for WRC-23 agenda item 1.11 resolves 3 of Resolution 361 (Rev.WRC-19)

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82659 bytes 2021-07-19 [245]�Annex 10 - Working document towards a draft CPM Text to WRC-23 for agenda item 1.11

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169906 bytes 2021-07-19 [245]�Annex 9 - Working document towards a preliminary draft new Report/[Recommendation] ITU-R M.[NB.MSS.COMPATIBILITY] (Working document 2 relating to agenda item 1.18) - Sharing and Compatibility studies for Narrowband MSS with incumbent services in the frequency bands 1 695-1 710 MHz, 2 010-2 025 MHz, 3 300-3 315 MHz and 3 385-3 400 MHz under WRC-23 agenda item 1.18

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258679 bytes 2021-07-19 [245]�Annex 8 - Working document towards a preliminary draft new Report ITU-R M.[NB-MSS] (Working document 1 related to agenda item 1.18) - Studies relating to spectrum needs and potential new allocations to the mobile-satellite service in the frequency bands 1 695-1 710 MHz, 2 010-2 025 MHz, 3 300-3 315 MHz and 3 385-3 400 MHz for future development of narrowband mobile-satellite systems

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8798227 bytes 2021-07-19 [245]�Annex 7 - Working document towards a preliminary draft new Report ITU-R M.[AMATEUR-RNSS] - Studies [and guidelines] 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

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2074676 bytes 2021-07-19 [245]�Annex 6 - Working document towards a preliminary draft new Report ITU-R M.[S-MSS&IMT SHARING] - Guidance to administrations on technical and operational measures in the use of the 2 655-2 690 MHz band for IMT, to address the reported experience on MSS from IMT in certain countries in Region 3

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985615 bytes 2021-07-19 [245]�Annex 5 - Working document towards a preliminary draft new Report ITU-R M.[ADD_GSO_GMDSS] or Working document related to WRC-23 agenda item 1.11 - Introduction of additional GSO MSS systems into the GMDSS (WRC-23 agenda item 1.11, resolves 3)

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527557 bytes 2021-07-19 [245]�Annex 4 - Working document towards a preliminary draft revision of Recommendation ITU-R M.1316-1 - Principles and a methodology for frequency sharing in the 1 610.6-1 613.8 MHz and 1 660-1 660.5 MHz bands between the mobile-satellite service (Earth-to-space) and the radio astronomy service

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36631 bytes 2021-07-19 [245]�Annex 3 - Working document towards a preliminary draft revision of Recommendation ITU-R M.633-4 - Transmission characteristics of a satellite emergency position-indicating radio beacon (satellite EPIRB) system operating through a satellite system in the 406 MHz band

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116709 bytes 2021-07-19 [245]�Annex 2 - Working document towards a preliminary draft new Recommendation ITU-R M.[REC.MSS & IMT L-BAND COMPATIBILITY] - Adjacent band compatibility studies of IMT systems in the mobile service in the band 1 492-1 518 MHz with respect to systems in the mobile satellite service in the band 1 518-1 525 MHz

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46904 bytes 2021-07-19 [245]�Annex 1 - Preliminary draft revision of Recommendation ITU-R M.1901-2 - Guidance on ITU-R Recommendations related to systems and networks in the radionavigation-satellite service operating in the frequency bands 1 164-1 215 MHz, 1 215-1 300 MHz, 1 559-1 610 MHz, 5 000-5 010 MHz and 5 010-5 030 MHz

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23975 bytes 2021-08-04 [245]�Part 1

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164171 bytes 2021-08-03 [245]� - Report of the twenty-sixth meeting of Working Party 4C (5-13 July 2021) (Virtual Meeting)

Document :

ITU-R�WP4C� Contribution� 245

Title :

Report of the twenty-sixth meeting of Working Party 4C (5 - 13 July 2021) (Virtual Meeting)

Date :

2021-07-13

Source :

Chairman, WP 4C

Access :

Restricted to TIES users�[ITU-R]

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