KYNO 1300AM (5 kW days; 1 kW directional nights) from 1957 and throughout the 1960s and 1970s, was a Top 40 station, and was the #1 "Hooper" rated station in Fresno under the ownership of Eugene Chenault. KYNO was the testing ground for the "Boss Radio" format that would be adopted at such stations as KHJ, Los Angeles; KFRC, San Francisco and CKLW, Windsor, Ontario. KMAK was 1340 from 1953-88 then KKAM from 1988 to 1992. KARM was 1430 and KFRE was 940. KFIG was an FM station first on 94.5 then moved to 101.1 in the early 1970s. KARM 1430 was changed to KFIG 1430, KYNO swapped frequencies with 940 becoming 940 KYNO then swapped calls with KFIG 1430 in Oct. 2012 when John Ostland acquired KFIG from Fat Dawgs.