It is owned by Hi-Favor Broadcasting, and airs a Spanish Christian format branded "Radio Inspiración".

[5] The station had a permit to increase daytime power and add nighttime operations, and San Diego Broadcasting intended to surrender the license of AM 1510 KUSN once construction of KSDO's new facilities was complete.

[9] In 1972, the station was sold to Generation II Radio San Diego, a subsidiary of Firestone Communications, for $2.5 million.

[18] Syndicated hosts on KSDO over the years included Rush Limbaugh, G. Gordon Liddy, Larry King, and Tom Leykis.

[24] In 1997, Roger Hedgecock and Rush Limbaugh were moved to KOGO, and the station switched to a financial news-talk format, with programming from Bloomberg and The Wall Street Journal.

[29] In late 2001, financial talk programming began to again make up the bulk of the station's daytime schedule.

[31][32][33][34] The station adopted a Spanish language Christian format as an affiliate of Radio Nueva Vida.