MARK C THIEM
Active- Service
- Amateur
- Class
- Amateur Extra
- Location
- TAMPA, FL
- FRN
- 0002221281
- Granted
- Feb 20, 2026
- Expires
- May 6, 2036
FCC Amateur and GMRS license lookup
Search public FCC ULS records by callsign, FRN, name, or location.
KJ4XP
- 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.