Marshall Caldwell
Active- Service
- General Mobile Radio Service
- Location
- TUALATIN, OR
- FRN
- 0037324183
- Granted
- Jul 29, 2025
- Expires
- Jul 29, 2035
FCC Amateur and GMRS license lookup
Search public FCC ULS records by callsign, FRN, name, or location.
WSJI312
- 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.