Quote:
Originally Posted by folharin
I am with my new pd almost ready, this is a receiver that calibrates want it in about 60 khz. d like to ask the help of you as I do iss CALIBRATION have to build a transmitter in this range or have any appliance that generates this frequency?
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the object underground,if is very conductive and in good condition(no oxidation) will generate the PHENOMENON after long time buried,maybe 20 years underground...
you dont need to build transmitter VHF, as i told,i built two of this VHF and no results ,compare with the strong TV VHF.