low frequency radio receiver
 

Hello, long time ago i found in geotech this circuit
http://img689.imageshack.us/img689/8...1bmeter.th.jpg
but with different values capacitors,resistors....etc.
i dont remember who was made the circuit ,
i only like to ask him about the antenna were he put in his plan,
if anybody knows can you please help.
Thank you.

Read this
http://www.stormwise.com/
http://www.stormwise.com/project10.htm

and this ....

http://www.whatcircuits.com/lc-reson...cy-calculator/

:flag_gr:

İonios, where is your circuit.

Hello, it is not my circuit,
the circuit it is from stormwise,
but somebody change it,
i am interesting about the antenna that he build,
Thank you.