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    Re: Heathkit GD-1290 Groundtrack « Reply #8 on: August 19, 2011, 12:57:52 pm » how good is this at detecting tiny nuggets a foot or so below the surface? would be nice to find lots of large nuggets but in practicality the smaller ones are probably the way to search. maybe this thinking is flawed..

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    Review (mpn: GD-1290 for sale) GD-1290 Metal HEATHKIT Vlf model Manual Groundtrack Pictorial Locator. This mainly applies to electronic equipment. Charged by your government. I do try my best to be as accurate and honest as possible in my description. If you receive an item that was broken in shipment you need to contact me immediately so I can get the ball rolling on an insurance claim. More

  • Schémas de détecteurs de métaux à faire soi-même et

    Schéma du détecteur Heathkit Cointrack GD-1190 avec discriminateur vendu dans les années 1980. Schéma du détecteur Heathkit Groundtrack GR-1290 VLF (très basse fréquence : 7 kHz). Schéma du White’s Classic I (4 transistors, circuits CD4066, LM393, LF444, LF441, LM358 et régulateur 8 volts LM2930-8). Schéma du White’s Surfmaster PI (détecteur à induction pulsée) utilisant les

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    heathkit Metal Locator gd 1290 : Full Text Matches Check >> heathkit Metal Locator gd 1290 : Forum Matches Check >> Found in: fulltext index (45) Cointrack1190.pdf: 22/10/08: Heathkit Model GD-1190 Cointrack Metal Locator Schematic. Heathkit GD-1190 Metal Detector Manual. Revised 2008 October 21. 988 kB: 1270: Heathkit: GD-1190

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