Cecil Moore wrote:

If the system contains only traveling waves, the delay
is proportional to the phase shift. If the system contains
only standing waves,

Since a standing wave is an interference pattern created by traveling
waves, having 'only standing waves' would obviously be an impossible
circumstance.

Traveling wave current changes phase relative to the source
current.

Yes, especially with distance - but only if it's a source of traveling
waves. Evidently there's some chance it could be a source that produces
only standing waves. :-)

Standing wave current does not change phase relative to
the source current.

I urge you to please investigate the mathematical issues associated with
summing counter-rotating vectors.

Therefore, standing wave current phase cannot be used to
measure delay through a wire or through a coil.

Correct me if I'm wrong, but as far as I know you are the only one
suggesting that standing wave current phase - whatever that is - could
be delayed, measured, and calculated.

ac6xg