KOKC is a commercial AM radio station in Oklahoma City, Oklahoma. It is locally owned by the Tyler Media Group and airs a talk radio format. The studios and offices are located on East Britton Road in Northeast Oklahoma City. It is central Oklahoma's primary entry point station for the Emergency Alert System.
KOMA upgraded from 5,000 to 50,000 watts in early 1947.
North American Regional Broadcasting Agreement
The North American Regional Broadcasting Agreement refers to a series of international treaties that defined technical standards for AM band (mediumwave) radio stations. These agreements also addressed how frequency assignments were distributed among the signatories, with a special emphasis on high-powered clear channel allocations.
WLS, Chicago, advertisement promoting its March 29, 1941, move from 870 to 890 kHz
Radio dealer advertisements soliciting customers needing help in resetting the mechanical push buttons on their console receivers.