Accuracy of position approx 1 to 2 metres inside triangle, less accuracy outside. Automated buoy array calibration using local pingers included in the hydrophones. Can track position of simple pingers or data telemetry transmitters. Buoys can be used individually to monitor data in three different sites. Stored data can be played back on screen with multiple transmitters shown.
Software can output to graphics printers.
Depth data from depth sensitive transmitters on manual entry for bottom crawling animals. Can be easily handled from small boat. Tough polyurethane foam floatation collar with reserve buoyancy for mooring chain etc. Local pingers for buoy array calibration 34.00 kHz. 32 kHz - 50 kHz Low frequency hydrophones.