Report - ITU-R M.1371-3 (VHF) · itu-r m.1371-3 3 ais vdl 2.2 1.2.2 $3ˇ 3 19 (mmsi).( ) itu-r m.1080 itu-r m.585 . l mmsi ais 4. ais 1.4 a . . b

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