"tom418" wrote in news:7AaPh.13786$Ng1.3979
@newsfe19.lga:

It is that old. Back in the mid '70s, there was a weekly PBS TV show on
"Aviation Weather" and they frequently mentioned the "exam-o-grams"


Makes ME feel a little old. I still have my original set of VFR and IFR
Exam-O-Grams.