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Dave Johnson

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  • Dave Johnson Fisher Teknetics

    First Texas Products to launch T2ltd and F75ltd!

    ByDetector Stuff

    First Texas Products is launching 2 hot new versions of their flagships…the T2 ltd and the F75 ltd…limited edition versions with additional modes… Cache and Boost! Read the rest of the story for the full flyer…

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  • Electrical Interference Essay by First Texas Lead Engineer Dave Johnson
    Fisher Dave Johnson How to Teknetics

    Electrical Interference Essay by First Texas Lead Engineer Dave Johnson

    ByDetector Stuff

    Electrical Interference First Texas Products & Fisher Labs August 2009 Because of the high sensitivity of modern metal detectors coupled with the proliferation of sources of electromagnetic interference, you are likely to encounter electrical interference at times during the use…

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  • Dave Johnson Reviews Teknetics

    Teknetics Omega Review and 11 inch DD coil

    ByDetector Stuff

    *I prepared this Omega Review quite a while back, but held it while I field tested the new 11″ DD coil too… so this review will be for both products: The Teknetics Omega and the optional 11″ DD coil.* Mark…

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  • Fisher Dave Johnson Teknetics

    Information on the new Teknetics Omega- Engineer Dave Johnson

    ByDetector Stuff

    *Reprinted by permission of First Texas* Posted originally on American Relic Hunters Official Teknetics Forum Hello! and, Omega Posted By: dave johnsonDate: Friday, 13 February 2009, at 1:10 p.m. Hello, this is my first forum post on this website. Some…

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  • Teknetics Delta 4000 Review
    Dave Johnson Reviews Teknetics

    Teknetics Delta 4000 Review

    ByDetector Stuff

    Mark Ellington www.detectorstuff.com *Review based on prototype version…subject to change!*   The Teknetics T2 has developed quite a cult-like following since its release! With good reason…It is powerful, lightweight and innovative. It is chock full of useful features that appeal…

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  • Dave Johnson Fisher Reviews

    Fisher F5 Review

    ByDetector Stuff

    Okay…are you ready for this? I’m going to open this F5 review with a very bold statement. The new Fisher F5 has the BEST user interface of ANY metal detector I’ve ever used!..and I’ve used a bunch!

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  • Fisher Reviews

    Fisher F4 Review

    ByDetector Stuff

    I’ve always heard “The older you get, the faster time passes.” Now that I’m in my mid 40’s I’ve found that statement to be all too true. However, there are exceptions to this rule…. Christmas, payday and waiting for a…

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  • Detector Stuff Interviews FT-Fisher Engineers, David Johnson and John Gardiner
    Dave Johnson Fisher Interviews Teknetics

    Detector Stuff Interviews FT-Fisher Engineers, David Johnson and John Gardiner

    ByDetector Stuff

    Introduction: First of all, I want to thank Tom Walsh, Mike Scott, Tricia Richardson, Dave Johnson and John Gardiner for their help in arranging this interview. I think it’s a fair statement that First Texas – Fisher is one of…

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  • Discrimination Mode "Sensitivity" and "Depth" in Single-Frequency VLF Metal Detectors
    Dave Johnson Fisher How to Teknetics

    Discrimination Mode "Sensitivity" and "Depth" in Single-Frequency VLF Metal Detectors

    ByDetector Stuff

    *Used with permission of Fisher Labs* Some metal detectors are “more sensitive” than others, and “how deep” a particular metal detector can detect a specific metal object depends on many variables. “Air test sensitivity” refers to the maximum repeatable detection…

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  • Home
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  • Detecting Links
    • General Discussion
    • Beach, Lake and general water hunting
    • Metal Detector Dealers
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    • Detector Manufacturers
    • David Johnson Essays
    • Magazines and resources
  • Reviews
  • Interviews
  • Tips & Tricks
  • Blog
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