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Offline flamecrusaderTopic starter
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« on: October 05, 2010, 06:58:13 pm »
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 Hello
I have a few questions on the shadow300 MD...

1. Are there any search head that i can make on my own to match with the design provided here?

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http://www.geotech1.com/pages/metdet/projects/shadow/shadow300.pdf


2. I've read the pdf above but I'm still a bit confused on how the discrimination function for the shadow300 MD works... Tongue
   Anyone can explain it to me?

Thanks in advance....
     


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Offline GoldDigger1950
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« Reply #1 on: October 06, 2010, 01:17:17 am »
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I gave you the details for the search coil in another message. As to the discrimination, they use a very primitive form of phase shift detection. It works but only just. There are much better ways to do it.

Discrimination really isn't that important. It works, but no machine can ever tell you for sure what's down there. You should dig every target. You'll find more that way.

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It's all about that moment when metal that hasn't seen the light of day for generations frees itself from the soil and presents itself to me.
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