DAVID L DUFF
Active- Service
- Amateur
- Class
- Amateur Extra
- Location
- OREGON CITY, OR
- FRN
- 0004680039
- Granted
- Jun 2, 2026
- Expires
- Aug 5, 2036
FCC Amateur and GMRS license lookup
Search public FCC ULS records by callsign, FRN, name, or location.
KG7BR
- Callsign
- Try W1AW, or enter several callsigns separated by commas.
- FRN
- Find licenses linked to a 10-digit FCC Registration Number.
- Advanced
- Combine a name, location, service, or license dates.