an_old_friend wrote:
just exactly how would a gruop go about a local variation in the
reconized band plan

Local variation?

been chatting with some locals interested in some AM stuff on 6M and
prehaps elsewhere planety of really unsed rf "real estate" but little
mention of anything but ssb cw and Fm on the bandplans

AM activity on 6m centers near 50.4 MHz. That's been going on for at
least 25 years.

Dave K8MN