I'm not sure what the history of 580 in Tucson has to do with the demise of 1150 in Coolidge but as long as the subject has been brought up, the story is interesting. In 1974 KIKX staged a phony kidnapping of their morning guy, Gary Craig. This led to a full scale FCC investigation and legal wrangling that went on for years. Eventually KIKX's owner, John Walton, gave up the fight and KIKX went dark for years. As luck would have it, I rolled a tape circa 1980 and recorded the final hour of KIKX and you'll find it here:
http://www.cavefm.com/Track 1 thru 7.mp3. I don't believe anyone else has this recording. As for Mr. Craig, for years he's been the morning star on WTIC-FM in Hartford and is as goofy as ever.