Primarily U.S. and non-military, but not exclusively. For people who like to listen to scanner audio using the internet. Primarily U.S., though not exclusively. The trunked communications list is for discussion about the new TrunkTracker scanners, sharing of regional identifications as they are discovered, and other operating tips. The Worldwide UTE News Club List is for radio hobbyists to share information, reception conditions, frequencies, etc.
Participation is worldwide.