Originally posted by jack
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The experimenters who are using VLF receivers to locate metal are using frequencies between 40 KHz and 180 KHz.
They say the frequency does not make a difference for different metals.
For VLF penetration into the ground, the lower frequencies can penetrate deeper than the higher frequencies.
But lower frequencies are not able to find small objects as well as higher frequencies.
The best compromise which experimenters use is 60 Khz to 120 KHz.
60-120 KHz frequency range is able to penetrate the ground maybe 2-5 meters deep for a VLF transmission.
If your receiver is set in this frequency, then you will need to have a VLF signal in the air to receive.
This means you will need to have VLF noise or transmitter somewhere making a radio signal for your receiver to tune to.
If you expect to find metals from only special metal frequencies of elements, then you need to find instructions from some different person.
I do not believe you will find a frequency of different elements to be detected with this receiver.
I think you will find only radio transmissions and radio noise.
And if you are lucky to be tuned to a VLF transmitter frequency, you may also find some indications of large buried things in the ground.
Best wishes,
J_P

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