WPBT/Miami. I hear FL on 6m ALL THE TIME during the Summer, and when it happens, I can count on seeing PBS rolling up on channel 2.
I also get 2 from Monterrey a goodly amount, too.
Now, in the old days in Pascagoula, it was doubtless KNOP-2 and KWGN-2. I could darn-near plan TV viewing from Denver.