MARK C TREFNY
Active- Service
- Amateur
- Class
- Amateur Extra
- Location
- ORLANDO, FL
- FRN
- 0009443698
- Granted
- Feb 21, 2024
- Expires
- Feb 28, 2034
FCC Amateur and GMRS license lookup
Search public FCC ULS records by callsign, FRN, name, or location.
AB5JL
- 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.