UC Berkeley Police
The feed you are listening to is a realtime (ok, about 30 seconds-delayed) digital broadcast of the UC Berkeley Police department. UC Berkeley's police are part of the East Bay Regional Communications System (EBRCS), a P25-compliant communications consortium serving the public agencies of Contra Costa and Alameda counties within the San Francisco Bay Area.
I had some free time, extra hardware, and a desire to learn Linux programming on a Raspberry Pi - I integrated all the components, programmed the RasPi, and am streaming out the feed to Broadcastify.com.
The feed is available on a number of platforms: this website, Broadcastify.com, iOS & Android (via many of the free scanner apps), and a host of others.
Please see the Raspberry Pi page for technical details on how I established this feed.