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Search results

  1. J

    (Want to buy) WTB Whites TM-808

    How much do you want for it? Don't know much about them, but supposed to be similar to the TM-808, so might work. Jim
  2. J

    WTB Whites TM-808

    Looking for reasonably=priced Whites TM-808 2 box
  3. J

    (Want to buy) WTB Whites TM-808

    Jim in Idaho submitted a new listing: WTB Whites TM-808 - WTB Whites TM-808 Learn more about this listing...
  4. J

    What Backpack do you use

    I've used, for almost 40 years, an Alice pack, and lately on a Molle frame. Never let me down, and carries a huge amount of gear. That MOLLE frame is the most comfortable frame I've ever used. Jim
  5. J

    Whites tdi depth while prospecting for gold

    As far as I know, none of those guys still do the mods, and haven't for several years. Jim
  6. J

    Whites tdi depth while prospecting for gold

    Yes
  7. J

    WTB Falcon MD-20

    Looking for an MD-20 in good condition.
  8. J

    (Want to buy) WTB Falcon MD-20

    Jim in Idaho submitted a new listing: WTB Falcon MD-20 - WTB Falcon MD-20 Learn more about this listing...
  9. J

    Need Help Ground Balancing Whites GM3

    Email sent, Terry Jim
  10. J

    Whites tdi depth while prospecting for gold

    Bobby, I'd say you've thought it out pretty good. I've been very conservative about money, all my life, too. And like you, I'm nearing 75 myself, so might as well live a little...LOL. I'm still not splurging on detectors, though. You'll like that Sadie. Hope you make some good finds, and will...
  11. J

    Whites tdi depth while prospecting for gold

    Get the Sadie. I like the 8 x 11 for general work, but the Sadie is more sensitive. If you can't afford a Sadie, and given that some people don't like the dual-field coils, in my testing the Whites 7 1/2" DF is a very near-equal to the Sadie on tiny gold. Jim
  12. J

    Whites tdi depth while prospecting for gold

    To wind the coils, you need to balance the correct inductance and the correct DC resistance. To do that, you need to look up the wire size and resistance charts on the 'net. Then do a search on inductance, and that should get you to some formulas for inductance vs number of turns of wire. You...
  13. J

    Whites tdi depth while prospecting for gold

    What charts?
  14. J

    Whites tdi depth while prospecting for gold

    Actually, building mono coils for the TDI's is fairly easy. I don't recall offhand, but you can measure the inductance, and DC resistance of a factory coil, and match those characteristics with the coil you build. I built a 24" for mine, but rarely use it do it being too cumbersome, though it...
  15. J

    Whites tdi depth while prospecting for gold

    I know absolutely nothing about any of the Tesoros. I don't even know if the Tejon is a PI. Increasing the voltage only benefits pulse-induction machines. Does nothing for VLF detectors. But VLF's can benefit from switching to rechargeable li-ion batteries, but only because they're rechargeable...
  16. J

    Whites tdi depth while prospecting for gold

    That mod required a small, added, circuit board. As far as I know, nobody knows the circuit on that added board. Jim
  17. J

    Whites tdi depth while prospecting for gold

    No. There are similarities between the circuits, but they are not identical. The main issue with the originals was the warbley threshold. The issue with the SL was a slow sweep speed for tiny targets, and lack of sensitivity. Jim
  18. J

    WTB "Coot" atv

    Looking for an old, rebuildable Cooty ATV. Any and all considered have cash.
  19. J

    WTB "Coot" atv

    Jim in Idaho submitted a new listing: WTB "Coot" atv - WTB "Coot" atv Learn more about this listing...
  20. J

    Detectors that have stood the test of time.

    White's GoldMaster series
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