FIELD: physics.
SUBSTANCE: apparatus has a multibeam echo sounder 1, a recorder 2, a control unit 3, a unit for determining corrections 4, a measuring receiving unit with an antenna 5, a transmitter with an antenna 6, sensors for measuring sound speed 7, 8, a measuring receiving unit with an antenna 9, a transmitter with an antenna 10, water temperature sensors 11, 12, hydrostatic pressure sensors 13, 14, a relay 15, a communication channel 16 of a satellite radio navigation system, horizontal and vertical displacement sensors 17, a magnetic compass 18, a stabiliser gyrocompass 19, a hydroacoustic communication channel 20, a relative velocity metre 21.
EFFECT: high accuracy of determining corrections.
3 dwg
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