Sand Shark Mod?

Carl-NC

Bronze Member
Mar 19, 2003
1,873
1,363
Washington
Detector(s) used
Custom Designs and Prototypes
Primary Interest:
All Treasure Hunting
You can swap the crystal for a higher frequency. Everything is proportional, including the audio tone. If you are hunting in saltwater then you don't want to go below 15us as the wet salt will be detected.
 

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