San Diego County's website actually advised people to tune to the one AM station saying that they had an emergency power generator and would be sending information thru them!
Here's the link: http://www.sdcounty.ca.gov/Portal/News/2011/Sep/091411blackoutradio.html
Here's the link: http://www.sdcounty.ca.gov/Portal/News/2011/Sep/091411blackoutradio.html