JOHN D OTTO
Active- Service
- Amateur
- Class
- Amateur Extra
- Location
- GREEN VALLEY, AZ
- FRN
- 0002023794
- Granted
- Nov 25, 2025
- Expires
- Dec 12, 2035
FCC Amateur and GMRS license lookup
Search public FCC ULS records by callsign, FRN, name, or location.
AD7GS
- 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.