INSTRUMENTATION FOR OCEANOGRAPHIC RESEARCH NAMELY, CURRENT METERS, I.E. INSTRUMENTS FOR MEASURING THE VELOCITY OF LIQUID CURRENTS, E.G. IN SEAWATER, AND FOR MEASURING THE DIRECTION OF SUCH CURRENTS; METERS FOR MEASURING PITCH AND ROLL OF FLOATING OBJECTS, SUCH AS SHIPS OR FLOATING DRILLING PLATFORMS; HEAVE METERS, I.E. INSTRUMENTS FOR MEASURING THE VERTICAL DISPLACEMENT OF FLOATING OBJECTS; WAVEMETERS, I.E. INSTRUMENTS FOR MEASURING THE VERTICAL DISPLACEMENT OF A FREE LIQUID SURFACE, E.G. THAT OF THE SEA; WAVE DIRECTION METERS, I.E. INSTRUMENTS FOR MEASURING THE DIRECTION OF PROPAGATION OF LIQUID WAVES; AND TIDE METERS, I.E. INSTRUMENTS FOR MEASURING THE DEPTH OF WATER; FLOATING PLATFORMS, BUOYS AND THE LIKE CARRYING SUCH DETECTING APPARATUS; WIRELESS TRANSMITTERS FOR SUCH PLATFORMS, BUOYS AND THE LIKE FOR TRANSMITTING DATA SIGNALS PROVIDED BY SUCH METERS; REMOTE, E.G. ON SHORE, WIRELESS RECEIVERS FOR RECEIVING, RECORDING, AND/OR PROCESSING SUCH TRANSMITTED SIGNALS; AND ACCESSORIES THEREFOR; THE ACCESSORIES MAY INCLUDE ANY OF THE FOLLOWING: IMPLEMENTS FOR ANCHORING SUCH PLATFORMS, BUOYS AND THE LIKE, SUCH AS ELASTIC AND NON ELASTIC ANCHORING CABLES AND CABLES HAVING ONE OR MORE ELECTRICAL CONDUCTORS FOR SIGNAL TRANSMISSION, CONNECTING DEVICES FOR SUCH CABLES, AND PARTS FOR SUCH TRANSMITTERS OR RECEIVERS SUCH AS PRINTED CIRCUIT BOARDS, OUTPUT METERS AND THE LIKE