| Rec. 632-1 |
Transmission characteristics of a satellite EPIRB system Rec. 632-1 operating through geostationary satellites in the 1.6 GHz band |
| Rec.633-1 |
Transmission characteristics of a satellite EPIRB system operating through a low polar-orbiting satellite system in the 406 MHz band |
| Rec. 693 |
Technical characteristics of VHF EPIRBs using DSC |
| Rec. 540-2 |
Operational and technical characteristics for an automated direct-printing telegraph system for promulgation of navigational and meteorological warnings and urgent information to ships |
| Rec.493-9 |
Digital selective calling system for use in the Marirtime Mobile Service |
| Rec.541-8 |
Operational procedures for the use of digital selective-calling equipment in the maritime mobile service |
| Rec. 688 |
Technical characteristics for a HF direct-printing telegraph system for promulgation of high seas and NAVTEX-type maritime safety information |
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