[Buckeye McFrog]

WXIX is in Cincinnati. Call letters for a Tucson station
would begin with a K.

[CedarDave]

WXIX is in Cincinnati. Call letters for a Tucson station would begin with a K.

But there is a Tucson station with the call letters K GUN!

[MadelineZapeezda]

And KDKA in Pittsburgh, east of the Ohio, has a call letter with a K. There are exceptions