Richard Clark wrote:
You can't change the Vf by shortening a Vf = 0.02 coil, hmmm?
Remarkable shortening of your own theory there.

It was Gene Fuller who said the coil varied between the "known"
limits of 1.0 and 0.02, not I. I just replied to Gene's posting.
You and I seem to be in agreement that the VF of the coil doesn't
change with a change in length.
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73, Cecil http://www.qsl.net/w5dxp