MARK M BUTTERWORTH
Active- Service
- Amateur
- Class
- Amateur Extra
- Location
- SANTA CLARA, CA
- FRN
- 0007995244
- Granted
- Feb 14, 2023
- Expires
- Feb 23, 2033
FCC Amateur and GMRS license lookup
Search public FCC ULS records by callsign, FRN, name, or location.
AB6QZ
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- Try W1AW, or enter several callsigns separated by commas.
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