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Keywords: tow cable
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Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27531-MS
... with a 3D sensor array attached by a motion-isolating tow cable (Fig. 3). The 3D sensor array consists of 15 hydrophones (3 in each of the 5 arms) mounted on a frame of about 1 m in size. A buoyancy engine just below the top arm ensures that this arm remains on the high side, and that the entire array...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 7–9, 1984
Paper Number: OTC-4815-MS
... circuitry to equalize a 7,000 meter tow cable at 1.5 megabits per second (MBPS) transmission rate, and an FSK downlink control system. The telemetry subsystem provides full duplex communication between the surface ship and a towed geophysical array used for bottom mapping in the DTAGS project. Additional...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 7–9, 1984
Paper Number: OTC-4752-MS
... bottom sonars; multiplexed over an 8,500 meter single coax tow cable. This design provides a stable towing platform that maintains a constant optimum height over the sea floor which requires minimum cable length 'alterations that affect the tow fish causing imperfections in the data. This system is meant...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 1983
Paper Number: OTC-4478-MS
... the same position at the same time is a major advance in ocean floor survey techniques. depressor seamarc ii bathymetry electrical angle shipboard electronics information upstream oil & gas reservoir characterization bathymetric map ship tow body correction acoustic array tow cable...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 7–10, 1978
Paper Number: OTC-3238-MS
... with a horizontal resolution of 100 - 130 lines has been obtained over a 28,000 ft tow cable using a 1.85 MHz carrier. At this frequency the cable attenuation was in excess of 77 dB. INTRODUCTION The practicality of transmitting a standard TV signal over a long coaxial tow cable depends principally on whether...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 1976
Paper Number: OTC-2655-MS
... echo sounder transducer and all interconnecting cables to mate with a single double armored multiconductor tow cable. Equipment on board i~cluded a heavy duty winch with slip rings and remote control, all necessary electronic components and recorders and a 90 kHz "over-the-side" echo sounder to measure...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 1975
Paper Number: OTC-2220-MS
... side scan sonar tow fish texas 75206 tow cable OFFSHORE TECHNOLGGY CO~FERENCE 6200 North Central Expressway Dallas, Texas 75206 PAPER NUMBER OTe 2220 THIS PRESENTATION IS SUBJECT TO CORRECTION Sonar and Oi I Field in Side Scan Offshore Recent Developments Ap p I i cat ionsin the By Robert F...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 28–May 1, 1973
Paper Number: OTC-1913-MS
..., which could also be shared with multiplexed telemetry, is an alternate approach to meet the demand for increased vehicle capability and operational range. A general description of an AC power system which could transmit up to 15 kw of power and multiplexed data over a single coaxial tow cable several...

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