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RD Instruments Inc

RD Instruments of San Diego manufacture Acoustic Doppler Current Profilers which have found wide application in oceanography, hydrology, limnology, circulation modelling and in open and closed channel discharge measurement.

The Sediview Method is based on the use of RD Instruments ADCPs. RDI's site can be found at http://www.rdinstruments.com and gives details of the wide range of instruments that they manufacture.