The first thing I would try is to add or subtract a quarter wave of coax
(~85') to the feedline. And don't be so sloppy with your spelling. It is a
sloper.

--
Crazy George
Remove N O and S P A M imbedded in return address

snip
It seems that everything I
do changes the tuning. Even station grounds change the situation.
Any help or conversation is welcome.
TNX,
Mike

or, sloaper. or, slowper. or, sloupa (brittish). or, sloep'r (NASCAR). or, try
some inductive or capacitive matching at the feedpoint.