Posted by G. Baker on 3/22/2008, 9:29 pm, in reply to "Pulse Induction Full Target Discrimination "
207.200.116.134
Steve
This is a question I posed to Dave about a year ago.
On Monday 12 March 2007 18:47, bakergeol wrote:
> Hi Dave
> I was wondering about the TID for coin/relic hunting. For conventional
> VLFs the deeper one goes the more iron mineralization the detector
> reads. Good targets with VLFs start to read toward the iron end with
> depth with lower VDI numbers. This results in "iffy" good targets with
> depth.
>
> Considering that PIs are not effected by ground mineralization as VLFs
> are would you see the same effect on the PD? Would TIDs for deep coins
> on the PD be more accurate than for a VLF?
>
> Thanks
> George
Dave's reply was "The TID seems to hold stable down to its maximum usable depth. This is much
deeper than a VLF's TID. Dave."
I agree with your sentiments but I am a mere PI
addict waiting for my discriminating PI fix.
Happy Hunting
George
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