NavCal Marine Services LLC

Navigational Equipment and Services for the Inland Waterways

NavCal Marine Services is a high technology company specializing in monitoring and control instrumentation to improve marine safety. Our products include an electronic log book DR Logger (available in an old DOS version), running lights Telltale Monitor, radar simulator/trainer River Radar (undergoing revision), multi-engine vessel Engine Monitor (in beta testing), and similar related products.

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River Radar TRAINER example screen in SIMULATOR mode