ERAS - Sonar Test System

Transmit, repeat and test sonar signals with the Echo Repeater Acoustic Source System (ERAS). ERAS is a low cost, compact and flexible sonar test system. Designed for hand-deployment from small vessels, it contains both projector and hydrophone. It is controlled by an easy-to-use Graphical User Interface, commanding the Digital Signal Processing software to Echo Repeat, Transpond and produce calibrated complex transmissions.