FCC Amateur and GMRS license lookup

Search public FCC ULS records by callsign, FRN, name, or location.

KM4UEO

Duc Nguyen

Active
Service
Amateur
Class
Amateur Extra
Location
MANASSAS PARK, VA
FRN
0016302101
Granted
Mar 17, 2026
Expires
May 23, 2036

Offline data

ULS Offline

Keep Amateur and GMRS lookup on your device for offline lookup, with automatic updates. Online lookup is always free.

Manage or cancel in Google Play.

Monthly Checking price…
Annual Checking price…

Renews automatically until cancelled.

ULS Offline subscriptions are coming soon.