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Treasure Hunting & Metal Detecting Forum Message Boards - Detector Hunter Whites Minelab Tesoro XP > Tech Talk > Metal Detectors > VLF Designs (Moderator: Eugene52) >

Shadow VLF Metal Detector

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Christian Topic starter

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	Shadow VLF Metal Detector « on: February 08, 2009, 04:50:46 pm »

Shadow VLF Metal Detector

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	Re: Shadow VLF Metal Detector « Reply #1 on: February 11, 2009, 12:13:30 pm »

Hello

The same circuit somewhat altered appeared in the December 1980 mag. With some mistakes corrected in later issues of ETI.

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Teknetics , Fisher , Discovery3300 and TIANXUN 19 kHz VLF Metal Detector

	Re: Shadow VLF Metal Detector « Reply #2 on: February 11, 2009, 12:48:44 pm »

Hello oldsparks and welcome to this Great Thunting.com forum !! You are correct , there was some kind of revision ?.... I will check on that also , but if you remember and can find it , please post it here !!..............Regards..............Eugene52

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	Re: Shadow VLF Metal Detector « Reply #3 on: February 13, 2009, 03:55:47 pm »

Hello,

The two circuits were identical, just drawn differently.

The main thing is that both were linked to a commercial search coil by Altek that is no longer available.

A good project for the experimenter.

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Whites Goldmaster V/Sat

	Re: Shadow VLF Metal Detector « Reply #4 on: February 13, 2009, 05:04:29 pm »

Hello, has anyone seen any modifications for a Whites Goldmaster V/sat ?
I have seen one that was adding and audio boast with an op amp circuit, but wondered if there were any that were good mods for the main circuit.
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	Re: Shadow VLF Metal Detector « Reply #5 on: February 13, 2009, 05:06:25 pm »

I guess in order to be a full member I need to do at least 15 posts, that seems strange to me, but what ever it takes I guess to be a member in good standing.. Cheesy

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	Re: Shadow VLF Metal Detector « Reply #6 on: February 13, 2009, 05:08:38 pm »

Is there anyone on here that is finding a better search coil for depth for gold detection ?
Thanks
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	Re: Shadow VLF Metal Detector « Reply #7 on: February 13, 2009, 05:10:28 pm »

That last post was in regard to a Whites Goldmaster V/Sat..I have the original search coil that I got with it in 1995 so there must be a better choice out there for depth..
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	Re: Shadow VLF Metal Detector « Reply #8 on: February 13, 2009, 05:12:06 pm »

Does anyone have a schematic for the Whites Goldmaster V/Sat ?
Thanks
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	Re: Shadow VLF Metal Detector « Reply #9 on: February 13, 2009, 05:15:03 pm »

It is snowing here in Nevada right now so not detecting for a while..ground is wet and soaked. I am trying to get in 15 postings so I can be a member..

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