", " ", "
The frequency is ", frequency, " Hertz ", "(or ", frequency / 1000, " kiloHertz) ", "(or ", frequency / (1000*1000), " megaHertz) ", "

The capacitance is ", radio.capacitance.value, " picoFarads", "(or ", radio.capacitance.value / (1000*1000), " microFarads)", "

The inductance of the coil is ", mh, " microHenrys", "

The coil will have ", turns, " turns", "
and will be ", coillength, " inch", coillength == 1 ? "" : "es", " long", " (you will need " + wl_str + " of wire)", coillength > .4 * diameter ? "" : "

Note: diameter of coil form is too " + "large for accurate inductance calculation" + "
Decrease diameter or decrease capacitance", " ", "" ); top.answer.document.close(); }

Coil Calculator

What is the capacitance of the capacitor? picoFarads
What is the frequency you wish to receive? kiloHertz
What is the diameter of your coil form? inches
What is the gauge of your wire? gauge
Click here to calculate the number of turns of wire on the coil:

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