CALIBRATION OF AN UNDERWATER ACOUSTIC DISTANCE MEASURING INSTRUMENT.

Keywords: INSTITUTE OF OCEANOGRAPHIC STUDIES, BP RESEARCH CENTRE, CALIBRATION, DISTANCE, INSTRUMENTATION, DIVERS, RANGE, OPERATIONS, TRAVEL, COLLECTION, LOGGING, VELOCITY, UNDERWATER, MEASUREMENT, DIVING, EQUIPMENT, SYSTEMS, TRANSPONDERS, TIME, ACCURACY, PLANIMETRIC, ACOUSTICS, INSTRUMENTS, SURVEYING, METHODS, TRIALS, CONDITIONS, DATA, RANGEMETERS, PROPAGATION