Mark W O Brien
Active- Service
- Amateur
- Class
- Amateur Extra
- Location
- PENSACOLA, FL
- FRN
- 0024939795
- Granted
- Aug 16, 2025
- Expires
- Oct 8, 2035
FCC Amateur and GMRS license lookup
Search public FCC ULS records by callsign, FRN, name, or location.
KM4NVP
- Callsign
- Try W1AW, or enter several callsigns separated by commas.
- FRN
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- Advanced
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