arrangement for measuring the size of the physical parameters of underwater okreslajacych tools and environment for a comprehensive study polowow these tools, especially towed.przesylajacy still measurement data on ship

摘要

1342969 Measuring under water parameters electrically MORSKI INSTYTUT RYBACKI 19 April 1971 [21 March 19701 25498/71 Heading G1N [Also in Division A1] The parameters of a fishing net system trailed by a ship are measured electrically and transmitted by a multiplex, pulse code - modulation system by cable to the ship, where they are analysed. The under-water equipment incorporates amplifiers and is supplied with power from the ship.