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Minelab Equinox Challenge

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  • In relations to antenna aperture, I have used 5 different devices to collect the output of my Equinox coil.
    1. a small microphone
    2. a large microphone
    3. a White's TDI 350 Super Pulse mono coil
    4. the 5" DD coil from my F75
    5. a small set of headphones

    Each could identify the frequencies transmitted
    The microphones caused the least interference to the detector
    The 350 coil caused the most interference to the detector
    The F75 5" coil gave the best representation (according to the screen shot by Carl) of the frequency 5 but caused a lot of chatter from the machine.
    I also have other coils I could try but I need to make an adapter so I can insert the feed wires to the coil plug. It's just to cumbersome to strip wires and insert into the coil plug and get a good connection.

    F75 11 DD coil
    White's 11" dual field coil
    White's 6" dual field coil
    11" DD SEF coil for the V3
    Fisher F22 stock coil

    No idea which would be the best receiving antenna to use.

    But I'm open for comments.

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    • ..Coil with ferrite core .../Carl Moreland/ ...I used a practical similar solution to be an external ferrite AM antenna from receiving Tecsun Pl-365 ...

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      • I guess I've over complicated the matter, after all we're only gathering radio waves.

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