Those so inclined might enjoy this:
“WJSV Complete Broadcast Day -
On September 21, 1939, radio station WJSV in Washington, D.C. transcribed an entire day of broadcasting. If you are curious as to what radio was actually like in those days, there is no better way than by listening to these MP3 files.”
https://archive.org/details/CompleteBroadcastDay
Thanks, Louie!