Target ID More About Target Size, Than Type Of Metal
This post was a response buried deep in a thread on the Equinox Forum, but got long enough on a subject I think about a lot, that it deserved its own thread. Here you go.
I find the whole George Payne way of conceptualizing things to be rather out of date myself. That was back in the day when only one thing mattered - detecting coins. Silver coins in particular. So he was looking at frequency, and most importantly, coin size targets.
If you do that, fix target size, you get the false i
I like this image because it is one of the only ones I have seen that illustrate the effect on size instead of type. Minelab tried to take credit here, but it really was White's that found the 40 - 50 kHz sweet spot for small gold.
Again we have marketing at work. This frequency range is great for many small gold locations, while still doing well on large gold. But it is the gold on site that matters. If the location is old bucket line tailing piles, then there may be no small gold at all.
