At the suggestion of one of my readers, @zeron+, I have looked into AmericanRadioHistory.com with a view to reprinting some of their public domain scanned matter. I intend to credit every source I draw on and will appreciate a reminder if not.
In November, 1922, Radio Age, a monthly publication not a year old had this announcement:
I’m not very surprized at Wyoming, which has always been a sparsely settled place, but Delaware? More like Unaware.
Corinth, Mississippi is right on the border of Tennessee, and so probably located there for business reasons but was aiming at the northern state. Unless they mean this Corinth, which is extremely unlikely.