Quote:
Originally Posted by jafal
Hi
pulse induction metal detector sniffer-xr71 was modified to be long range locater!
Somehow someone made it believe it or not it works hundreds of meters on both fresh and old buried gold
he add a pizo buzzer and other stuff !
Any body have an idea about it ?
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the pulse induction coil work as direction antenna
add transmitter in the coil (take the power from the coil -use microphone) and receive it by receiver and play with pulse freq and width u will be able to detect gold this for only 4-8 meters depth depend on the amps and cal (its not lrl).
can you describe to me where the buzzer placed and what the coil shape he used and did he used freq generator