Gene Fuller wrote:
Why don't you go back and re-read that paper carefully. Pay particular
attention to the part where the author says, with emphasis, that the
magic formula only works when the coil is near or at resonance.

A 75m bugcatcher coil is self resonant at 6.6 MHz. That's
near 4 MHz. Where is all your irrationality coming from?
--
73, Cecil http://www.qsl.net/w5dxp