GMDSS
Jotron Marine Safety Systems: EPIRB, SART, AIS, VDR Capsules & GMDSS Radio Guide
Technical manual covering Jotron marine safety systems: Tron 60AIS/40AIS EPIRB, SART20, TR-8000 MkII AIS, Tron 40VDR capsule, and TR30 GMDSS VHF.