Salt machine

[golfnut]

I tried my deus on wet sand with flint stone and shingle mix and the range of substrates left my machine growly and choppy and pretty crap really on all permutations of settings and beach modes.

Wanted to think about a dual freq machine which shud be relatively easy.

My question is, why do the dual Freq machines seem to cope on wet sand - most have a GEB ch

[Tim]

Maybe a coil with a better shield if the substrates encountered in real-life detecting cannot be processed, or go back to a simpler detector.