pulltabfelix
Bronze Member
- Jan 29, 2018
- 1,045
- 1,703
- Detector(s) used
- Currently have CTX3030 and Vanquish 440.
- Primary Interest:
- Relic Hunting
I am using the CTX3030 US Coins Pattern - FE-coin/gnd-coin. in Andy's Sabisch's book on page 114. In my hunting area it is very good at filtering and identifying US coins. But on some there is a small thunk sound after the high tone. I was wondering if that indicates anything important.