RadioReference

RadioReference.com is a comprehensive reference and community resource for radio and communications information. Its central database lets users search identified frequencies and trunked radio systems, with browsing by state, metropolitan area, or ZIP code. The site reports more than 227,000 identified frequencies and over 7,400 trunked systems, maintained through community submissions and volunteer administration.

Beyond the database, RadioReference offers discussion forums for enthusiasts and professionals, plus a subscriber-contributed wiki covering a wide range of radio topics. Its optional Premium subscription provides features such as ad-free browsing, Broadcastify audio archives, radio programming downloads, and personalized watch lists. The RadioReference network also includes Broadcastify, which offers live public-safety and scanner audio feeds, and Incident Source, which provides real-time major incident alerts and dispatch data.

The site shares community and database updates and features scanner equipment available through Scanner Master. RadioReference serves hobbyists, radio professionals, and others seeking information, resources, and tools related to radio communications.