"Tops" in the sense of "the pinnacle" is different from "a child's object that rotates for amusement purposes." On the other hand, records are "spun" to be played.

Still around - no station manager with an sense would give up those call letters. Although he'd probably prefer you say them one at a time.

Bet they said "Wonderful Whacker Radio" in the 50s and 60s, though.