Page 28: of Marine Technology Magazine (July 2017)

THE MTR 100 - 12th Annual Listing of 100 Leading Subsea Companies

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JW Fishers Mfg. Inc.

East Taunton, MA, USA • http://www.jw?

For more than 45 years JW Fishers Mfg puters becoming smaller and more capa- has specialized in the design and manu- ble of data transfer. Today Fishers offers facture of high-tech, reasonably priced three high-tech, low cost side scan sys- underwater search equipment. Its side tems employing the most commonly re- scan sonars, underwater metal detectors, quested frequencies: 100 kHz, 600 kHz

ROVs and magnetometers are in use by and 1200 kHz. Low frequency provides commercial diving companies, public long range, but lower resolution and safety dive teams, government agencies, high frequency gives the highest resolu- police and military units worldwide. tion, but shortest range; the middle fre-

Brian Fisher

JW Fishers began manufacturing un- quency provides an optimal combination derwater metal detectors for recreational of both. Fishers scanning sonar systems scuba divers. Demand for the products are also popular with many public safe- grew as commercial diving companies ty dive teams due to its lower cost. The and police departments began asking for newest addition to Fishers sonar product other types of underwater search equip- line is a Sub Bottom Pro

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