Re: WCAZ(AM), Carthage, IL", Official FCC correspondence: Certified letter, dated April 21, 2017, sent to Robin R. Dunham by James D. Bradshaw, Deputy Chief, Audio Division, Media Bureau.
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"New Stations: Commercial Land Stations", Radio Service Bulletin, June 1, 1922, page 4. Limited Commercial license, serial #393, issued May 15, 1922 to R. E. Compton and the Quincy Whig-General, for a 3 month period for operation on 360 meters.