Give a man a fish and feed him for a day....Teach him to use the internet and he won't bother you for weeks!
For no particular reason, a few pieces of trivia courtesy of U.S. Early Radio History, answering the oft ask questions why do some stations have 3 letter call-signs AND why do some stations start with "K" and others "W"?
Do you remember those tiny little transistor radios.
You can see some here