Cecil Moore wrote:
...
Standing wave current cannot be used to make valid
measurements about current amplitude "drops" across
or phase shifts through a loading coil. One must
instead figure out a way to get a traveling wave
flowing through the coil. Then the phase shift
becomes perfectly obvious.
...

So, "something" roughly related to [speed-of-light -
velocity-factor-of-conductor = phase-shift] should be at play (since
photons are speed of light and the rf wave is limited by the VF) ???

Regards,
JS