Sonatech, Inc., is a subsidiary of Channel Technologies, Inc., a multi- faceted corporation specializing in marine electronics and consisting of seven distinct operating entities designs, develops, and manufactures underwater acoustic systems and components for use in military and commercial undersea applications in the United States and internationally. It offers sonar systems, including forward looking and obstacle avoidance, side scan, homing and docking, and acoustic communication links; navigation systems, which include transponders, deck and rackmount transceivers, and SLS markers, as well as LBL, SBL, and SSBL systems; range systems, such as surface impact scoring, undersea tracking, and radiated noise measurement ranges; and acoustic solutions, which comprise ocean instrumentation, flexible arrays, mathematical and acoustic modeling, battery and energy storage, and circuit boards, as well as digital, analog, electro-optics, and mixed signal electronics. The company also provides evaluation, repair, design and modeling, and test services