Its studios are located at 1940 Zanker Road in San Jose,[2][3] and the transmitter is on Loma Prieta Peak on the Santa Clara/Santa Cruz County line.

KEEN-FM came to air March 4, 1963, after rushing to meet FCC deadlines and fix issues with its problematic transmitter.

[6] ARS kept the KBAY call letters and format, which became part of a three-way station swap on December 31, 1997.

KBRG began as an English-language station, debuting in 1964 on 105.3 (now KITS) carrying a stereo classics format under the name "K-Bridge."

Although the music and radio shows are syndicated and heard from KOMR in Phoenix and KRDA in Fresno simultaneously, which also carries the Amor format.