Replacing Amtrak Police. If you have questions or would like more information please contact us. Education ABOUT THE COMMUNICATIONS UNIT - smso-scu.org The units are assigned to a variety of search & rescue situations, such as looking for lost or missing people or evidence in major criminal cases. Police scanner frequencies for the San Francisco Bay Area and the Los Angeles Southern Califronia area . Right Side = is all the SMCo city's Police Departments Dispatch, (((Stereo Feed))) LEFT = SMCo Sheriff Dispatch, Parks, Public Works, etc *** Services Provided: Patrol Services Report Releases & Requirements Vehicle Releases & Requirements Special Events Feed: Will be activated only during large special events such as wildland incidents around the state.