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3.0 TECHNICAL DESCRIPTION
This section describes the 2050-DSS Side Scan and Sub-Bottom System's internal components and explains
their function. Diagrams and labeled photographs are provided.
3.1 2050-DSS Tow Vehicle Technical Description
The 2050-DSS Tow Vehicle is designed to support a default configuration of one vertically oriented sub-
bottom transducer, a PVDF sub-bottom receiver, port and starboard side scan sonar transducer arrays,
and an internal sonar processor. The towfish receives power and data from a tow cable connected to the
Starmux IV topside on a survey vessel. Sonar signal is generated by the transducers, received by the
transducers, or in the case of a sub-bottom signal received by the PVDF receiver. The signal is then
amplified, digitized, and combined with towfish sensor data before being sent to the Starmux IV and
Discover Application on the attached topside computer. The internal bottle provides connection ports for
an optional magnetometer, pressure sensor, and FSK Responder Trigger.
Figure 3-1: Bottom View of 2050-DSS Towfish
Side-Scan Transducer Array
Side-Scan Transducer Array
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