JW Fishers Sub Bottom Profiler Sonar System Fisher F5 a new audio system

a new audio system

9" concentric teardrop design

This new High Frequency (HF) search coil integrates 7 large offset stages (sub frequencies) under each main frequency

Adjustable shoulder straps for comfort

JW Fishers Sub Bottom Profiler Sonar System Fisher F5 a new audio systemJW Fishers Sub Bottom Profiler Sonar System Sub Bottom Profilers are one of the most effective tools used to identify and characterize layers of sediment or rock under the seafloor. The sub bottom profiler is similar to that of a simple echo sounder. A transducer releases a sound pulse vertically downwards towards the seafloor, and a receiver records the return of the pulse once it has been reflected off the seafloor. Unlike a simple echo sounder,