Forgettable enough in the 1970s when it was more or less just a farm town, but not forgettable any more, thanks to its wine-country boomlet, Paso Robles is even farther north in the market.
NPG (owned by the newspaper family from St. Joseph, Mo.) owns KEYT and owned KCOY, but has moved the CBS programming onto a subchannel of KEYT. NPG has transmitters on Broadcast Peak near Santa Barbara, on Cuesta Peak just north of SLO, and west of Paso Robles. (reference:
How to find News Channel 12 | News Channel 3-12) Edit: What
may have happened is that the KKFX (also owned by NPG) Fox programming was swapped with KCOY, giving Fox network programming a beefier signal compared to the lower-powered class A station that KKFX was - or is, which I have to say because the KEYT website is silent on the matter. The KCOY transmitter site is east of Santa Maria.
KSBY, owned by Scripps, has a translator near Santa Barbara in addition to its longstanding home on Cuesta Peak.