Ocean State Electronics sells the old AM radio tuning caps
http://www.oselectronics.com/. The capacitance ranges may vary, but you'll
certainly find something useful there.
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Time is what keeps everything from happening all at once.
"Jason Hsu" wrote in message
om...
I'm building the noise cancelling device described at
http://www.qsl.net/g4lna/noisdes.html .

For those of you who have used air variable capacitors, who are your
favorite suppliers?

Jason Hsu, AG4DG