Cecil Moore wrote:
There exists current at the base of a coil. It either flows into the coil
or away from the coil.

If it is DC current, you're right. If it is AC, then you're talking
about wave propagation. You're confusing the two things. You have to
decide which one you want to talk about.

Both in to and out of. Not one or the other.

You are forgetting your conventions. If the current at the bottom of the
coil is in phase with the feedpoint current, it is flowing the same
direction as the feedpoint current. By convention, the feedpoint current is
assumed to be flowing *into* the antenna. Therefore, by convention, the in-phase
current at the bottom of the coil is assumed to be flowing *into* the coil
referenced to the feedpoint current. EZNEC references all currents to the
feedpoint current which (surprise!) is feeding, i.e. flowing into the antenna.
If the current at the bottom of the coil is out of phase with the feedpoint current,
by convention, the current is flowing in the opposite direction to the feedpoint
current, i.e. out of the coil. What you say is irrelevant to the established
conventions.

Not at all. What I say is the way AC voltage and currents are summed.
We don't talk about alternating current flowing in only one direction or
another. That would be silly. It's something I've only seen you do.

73, Jim AC6XG