David M Frederick
Active- Service
- Amateur
- Class
- Amateur Extra
- Location
- BALTIMORE, MD
- FRN
- 0010333342
- Granted
- Jan 17, 2024
- Expires
- Feb 4, 2034
FCC Amateur and GMRS license lookup
Search public FCC ULS records by callsign, FRN, name, or location.
KB3KRV
- Callsign
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