With all electronics and transducer elements housed in a single below surface unit (BSU), the Hydro-2F interfaces directly with the user’s Windows-based PC. The user then utilizes his existing hydrographic mapping software; or Unabara can provide seamless integration to Hydromagic ™ survey software (by Eye4Software of The Netherlands). This integrated package provides for not only dual frequency derived depth data, overlayed with GPS position and satellite photographs but also generates an augmented reality video and paper chart. Sediment characteristics can be included on the resulting map presentatons.