National Radio Data - is an on-line subscription-based provider of nationwide scanner frequencies, trunked frequencies, ham radio, and mass media for DXing. National Radio Data also provides worldwide airport frequencies, civil aviation registry information, public service information, and more.
 

Our 11+ gigabyte databases are updated regularly from the FCC, Canadian TAFL and other resources, ensuring the most accurate information possible. We provide numerous search capabilities so you can quickly find what you're looking for.