Frederick Tronboll
Active- Service
- General Mobile Radio Service
- Location
- RANCHITA, CA
- FRN
- 0038308193
- Granted
- Apr 17, 2026
- Expires
- Apr 17, 2036
FCC Amateur and GMRS license lookup
Search public FCC ULS records by callsign, FRN, name, or location.
WSMM398
- Callsign
- Try W1AW, or enter several callsigns separated by commas.
- FRN
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