KRTO

[2] Originally holding the call letters KOHD,[3] it signed on in 1992 as KIDI-FM at the 105.5 MHz frequency with new owner Spanish TV 59.

[4][5] The following year, Spanish TV 59 principal Leo Kesselman merged KIDI-FM with KTAP of Santa Maria into a new entity, Boardwalk Broadcasting Company.

This was done to send a cleaner signal towards the Santa Ynez Valley, avoiding interference with Ventura-based KFYV (also at 105.5 FM).

[11] In mid-2008, Emerald Wave Media flipped the format of 97.1 FM from country music as "Colt 97.1" to rhythmic oldies as "Mega 97.1".

On January 18, 2010, high winds in the Point Sal area caused a power outage that knocked the transmitter for KRTO, KIDI-FM (105.1 FM), and KTAP (1600 AM) off the air.