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Offline Ridge RunnerTopic starter
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« Reply #20 on: November 29, 2016, 11:44:52 am »
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Quote:Posted by Assembler
Hello
Homefire asked:Has anyone tried to wire up a very old 4" whites probe to a newer Whites GMT? coil?
The Frequencies are about 48.5 KHZ. on both detectors.

The 4" whites coil probe this one has is quite sensitive.




Regardless of the frequency the GMT is to Powerful for that coil and it will Overload.

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Offline Assembler
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« Reply #21 on: November 29, 2016, 11:56:27 am »
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Hello
Ridge Runner wrote:
Quote:Posted by {author}
Regardless of the frequency the GMT is to Powerful for that coil and it will Overload.

Thank you for your answer.  This could also be true that the GMT can 'read' many times more per second (the chip brain) with the feedback signal then the older analog style detector.

Will try using the older 4" Whites probe say about 2 ft. off the ground with its 'hot pinpoint' away from the background rock next as it appears to be to sensitive to swing over most ground rock with no tracking.





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« Last Edit: November 29, 2016, 11:58:30 am by Assembler » 		Logged
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« Reply #22 on: November 29, 2016, 12:02:38 pm »
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Where does the Rock come in to It ?

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« Reply #23 on: November 29, 2016, 01:57:21 pm »
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Hello
Ridge Runner asked:
Quote:Posted by {author}
Where does the Rock come in to It ?

If the question is how is this different then swinging the coil over the ground. 
The difference is the rock being tested/scanned is brought up to the coil that is about 2-4 ft away (depending on the coil being used) from the earth surface background mineralized rock .

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« Reply #24 on: November 29, 2016, 02:02:23 pm »
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I still don't understand where a Rock comes in to this, No one was talking about a Rock. ?

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« Reply #25 on: November 29, 2016, 10:23:22 pm »
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Hello
I should not have brought it up.

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« Reply #26 on: November 29, 2016, 10:25:08 pm »
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Quote:Posted by Assembler
Hello
I should not have brought it up.


Lol, No mate it's fine you just lost me for a bit there   Grin Grin Grin

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« Reply #27 on: November 30, 2016, 08:01:22 am »
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    I must admit, I was stumped on the rock thing too until the second post.   Tongue    We have hot rocks up the Wazzzooooo here.   A black Iron based basalt kinda of thing.   

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« Reply #28 on: November 30, 2016, 09:38:01 am »
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Quote:Posted by homefire
    I must admit, I was stumped on the rock thing too until the second post.   Tongue    We have hot rocks up the Wazzzooooo here.   A black Iron based basalt kinda of thing.   


That GMT you've got will ground balance out hot rocks etc, because I have done it and I even managed to ground balance out a magnetic sign that was reading high up in the mid 80s + and it could still the tiny lead micro nuggets that I placed on it.

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« Reply #29 on: November 30, 2016, 10:45:45 am »
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Hello
Have talked to a person who could 'Discriminate out iron / hot rocks'  away or off the ground / background rocks say 2 or more ft., using old 'analog type gold master' white metal detectors. 
This by the way is what this one was referring to above thanks homefire.  Smiley

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