https://www.subseatechnologies.com/applied-acoustics/sub-bottom-profiling/sound-source-sparker/
Sound Source - Sparker
A seismic sparker works by discharging an electrical pulse between electrodes and a grounding point in seawater. This discharge creates an acoustic pulse, and the reflected signal is received by a hydrophone deployed at a set distance from the source.
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Dura-Spark L80 - New!
Dura-Spark L200 - New!
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