Reg Edwards wrote:
(Rhetorical Question)

Given that the coil section resembles a high-Zo transmission line with
reflections, how can the current into the coil section be equal in
magnitude and phase to the current out of the coil section?

(Rhetorical Answer)
It can't. Are you trying to insinuate I've ever said that it could?

Nope, but others have asserted such. What would be a ballpark figure
for the Z0 of a bugcatcher loading coil?

Incidentally, from memory, in the 1950's, in the IEEE "Reference Data for
Radio Engineers" there was an article on short helically-wound antennas,
giving number of turns for a given height of 1/4-wave resonance. The author
was on the right track. But there were errors in the formulae which had not
been arrived at by analytical means.

I just happen to have a 1957 copy from college days. Interestingly, it has
a velocity of propagation formula for the helix that includes axial velocity.
Didn't someone say axial velocity doesn't control the speed of propagation
for a loading coil?
--
73, Cecil http://www.qsl.net/w5dxp



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