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Re: Problem using toroid

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  • Re: Problem using toroid

    Hi John,


    thanks for your answer.


    I just looked to my recordings to examine the frequency, it has been


    about 750Hz. This is rather 1/3 of the


    expected proton frequency!


    The expected 2075 Hz was not to see on the scope. So I guess the


    water inside the toroid isnt enough magnetized.


    I'm rather sure of this because I can hear a noise coming from the


    amplifier and filter which sounds like


    a starting, a "pinging" oszillator at about 2khz and interferes with


    any other signal (may be the proton signal). Its interesting that


    this interference is allways there (without charging the coil!) and


    varies in frequency (maybe 2-3 Hz) without any period, its like a


    chaotic change. Maybe this comes from the geomagnetic field. I have


    to do some more experiments on the weekend.


    Greatings to South Africa from Germany


    Peter (DG4EK, JO30KG)
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