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ITU-R M.1172-0 Miscellaneous abbreviations and signals to be used for radiocommunications in the maritime mobile service
ITU-R M.1175-0 Automatic receiving equipment for radiotelegraph and radiotelephone alarm signals
ITU-R M.1178-0 Use of the maritime radionavigation band 283.5-315 kHz (Region 1) and 285-325 kHz (Regions 2 and 3)
ITU-R M.1179-0 Procedures for determining the interference coupling mechanisms and mitigation options for systems operating in bands adjacent to and in harmonic relationship with radar stations in the radiodetermination service
ITU-R M.1180-0 Availability of communication circuits in the aeronautical mobile-satellite (R) services (AMS(R)S)
ITU-R M.1181-0 Minimum performance objectives for narrow-band digital channels using geostationary satellites to serve transportable and vehicular mobile earth stations in the 1-3 GHz range, not forming part of the ISDN
ITU-R M.1183-0 Permissible levels of interference in a digital channel of a geostationary network in mobile-satellite service in 1-3 GHz caused by other networks of this service and fixed-satellite service
ITU-R M.476-5 Direct-printing telegraph equipment in the maritime mobile service
ITU-R M.478-5 Technical characteristics of equipment and principles governing the allocation of frequency channels between 25 and 3000 MHz for the FM land mobile service
ITU-R M.489-2 Technical characteristics of VHF radiotelephone equipment operating in the maritime mobile service in channels spaced by 25 kHz
ITU-R M.492-6 Operational procedures for the use of direct-printing telegraph equipment in the maritime mobile service
ITU-R M.627-1 Technical characteristics for HF maritime radio equipment using narrow-band phase-shift keying (NBPSK) telegraphy