Falmouth Scientific, Inc. (FSI) is a Cataumet, MA, USA based designer and manufacturer of precision oceanographic instrumentation and systems including the Bubble Gun family of portable seismic systems; the CHIRPceiver Family of side scan sonar and sub-bottom systems; the PLUS Family of current, wave, and tide meters; and other acoustics-based underwater products. Service areas include custom design, development, integration, production, and test of marine systems and underwater acoustic transducers. Most importantly for our customers worldwide, all FSI products are supported by outstanding customer service.