having trouble identifying between a dime and a penny any pointers?

[ScubaDetector]

Well personally if I'm short on time sometimes Ill discriminate a bit more than usual. So I pass up a lot more signals. Other times when I have a few hours to kill I'll dig EVERYTHING.

I also have a few local parks I usually frequent and figure I'll be back and check again.

I can understand those reasons. I have no idea what coil you use if it is a double D or concentric. If the latter, your deepest target might be a quarter size footprint and hitting that twice no matter how many times you go over the area would be a challenge. My thoughts would be to clean an area as complete as you can within your time frame.

However, as I said I am not you. You would probably dig 10 thousand pennies before and if you would ever see a gold coin. But lots of tokens and other desirable's will come in as a penny signal. I can't help you discriminate a penny out. Maybe if you let others know what machine you swing, someone will have excellent advice. Good luck out there!

 

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[Perses]

Do not skip the pennies, yes they are frustrating but smaller silver jewelry will often ring as a copper penny-dime. I was doing a lake last year and skipped penny signals closer to the shore, figure 1-2 feet deep cause I figured it was just that ... pennies. The second time I was there I wasnt finding that much so I scooped out the pennies and got 2 silver rings.

 

[Normsel]

For the most part buried dimes will ring up at 80 - 81 and on occasion a penny will ring at an 80 but those are usually new pennies. I go by tone and dig em anyway. I have found rings in the 70's and 80's