Detailed airport information, including all airport and navigational aid communications frequencies.

Easy, fast searching for current and updated scanner and other radio frequencies by state, county or municipality. Complete trunking and talkgroup frequencies, transmitter maps, downloads and a forum.

News and reviews, software downloads, message boards and links.

A guide to monitoring military aircraft communications. Includes frequencies, maps, archived recorded military communications, and photographs.

Live police, fire, emergency and airport scanner broadcasts.

Find information about police scanners including live police scanner feeds, scanner frequency resources, and scanner audio files.

Nationwide online scanner frequency database. Includes amateur callsign search and Civil Aviation Registry.

With help for new scanning enthusiasts, including equipment reviews and recommendations, information for beginners, frequency guides, scanning tips and links.

Frequency database containing records from all over the world.

Listing of aviation frequencies, plus links to live air-traffic control feeds.