JB wrote:

...
I feed antennas with a resistive feads without reactance, when it
becomes an impedance I retune or should I say the radio retunes
the antenna to make it resistive
to make it resistive
...

Oh yeah, me too!

I like to through in some lossy L or a bit of lossy C, then provide the
opposite j to cancel ... wonderful ... however, there are other
alternatives.

Regards,
JS