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| DEEP TOW CHIRP SONAR | |||||||||||||||||||
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| Introduction |  |
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| The Deep Tow Chirp Sonar is a normal incidence reflection profiler that operates over the band of 1.5kHz to 15kHz up to submergence depths of 500 meters.
It generates high resolution images of sediments to depths of 100 m under the seabed at vertical resolutions of up to 10 cm. |
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| System Components | |||||||||||||||||||
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Major Components of Deep Tow Chirp Sonar 1. Topside Computer: PC which runs Windows 2000 and JStar.exe (processor-800MHz +, memory-128 MBytes+, disk drives - C: 10 GBytes+, data storage 1 Gbyte/Hour 2. Sonar Power Supply: converts 115V AC to 300 VDC (sonar vehicle power)- The power supply is connected to armored coaxial cable through yellow deck coax cable and slip ring assembly on winch 3. Tow Vehicle: contains PC based data acquisition system running Windows 98 and sonar.exe 4. Depressor Weight 5. Raytheon TDU-850 Thermal printer 6. SIMRAD USBL positioning system with remote control 7. Over the side telescoping pole for mounting USBL ( max speed = 5 knots when pole is deployed) 8. WAAS GPS antennae (Garmin 17N) and extension for USBL pole 9. SeaMac hydraulic winch with 6000 feet of armored coaxial tow cable, Sage Laboratories 50 Ohm coaxial slip ring and remote control 10. Sheave to hang from A-Frame for coaxial tow cable 11. Miniature TV Camera and remote monitor 12. Other components
13. ADSL modem set 14. Uninterruptable Power Supply (UPS) |
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