RadioReference.com – Scanner Frequencies and Radio Frequency Reference

http://www.radioreference.com/

RadioReference.com is the world’s largest radio communications reference website, featuring a complete frequency database, trunked radio system information, FCC License assignments and callsign maps, 10-Code Lists, agency maps, files, downloads, links, and detailed agency information for most public safety, military, and local government communications. Best of all, registration and access to all the data is free, however some special reporting features and downloads are only available to Premium Subscribers of the site. This has been added to Reference Resources Subject Tracer™ Information Blog. This has been added to the tools section of Research Resources Subject Tracer™ Information Blog.