"Stay
Tuned "
Crystal Radio Web Site
Single Layer
Air Coil Inductance Calculator
d = Coil
diameter (in), n = Number of turns, l = Coil length (in)

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s | t | ![]() |
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d | i | ![]() |
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n | ![]() |
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Original Calculator written by Ralph Reiter
Use granted by Ralph Reiter on a "as-is" basis
Altered with permission by Darryl Boyd
Copyrighted March, 2001
by Darryl Boyd