does anyone know where i can find a coil like that. Could i use an old transistor radio antenna loop stick, and vary the value of of either C4 or C5 to tune it? Or what could i use to make one?i thought about an ink pen and a tunning slug ,but i don't know how many turns i will need. Thanks for the help!

http://www.smecc.org/Graymark515.jpg

Hi JK

You could use almost any coil designed for the broadcast band. A transistor radio loop stick will work.

Norm
:does anyone know where i can find a coil like that. Could i use an old transistor radio antenna loop stick, and vary the value of of either C4 or C5 to tune it? Or what could i use to make one?i thought about an ink pen and a tunning slug ,but i don't know how many turns i will need. Thanks for the help!
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:http://www.smecc.org/Graymark515.jpg