Originally posted by Alexismex
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1. A PI detector reacts to the decaying eddy current signal from the target.
2. A VLF detector reacts to the imbalance between the TX and RX coils caused by the target.
3. A BFO detector reacts to a change in inductance due to the presence of the target.
BUT ... what is the PDK reacting to? Until you can answer that question, without invoking pseudo-science, then the forum's response will probably continue to be poor. At the moment there is only circumstantial and subjective "proof" that the PDK does what is claimed. This is why I asked the question about whether a metal detector was used or not. Otherwise you only "hear" half the story. So far, we have not heard anything regarding the number of empty holes that have been dug. This is what I refer to as "selective memory".


Sorry ... but that is the usual excuse when someone is unable to support their pet theory with hard real-world evidence. Of course it is not so advanced that we cannot understand it using conventional science and engineering - if it is a real phenomenon, that is. Otherwise, the so-called "successful results" have to be attributed to a combination of self deception, wishful thinking and selective memory.
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