MARK J SEBASTIAN
Active- Service
- Amateur
- Class
- General
- Location
- VERNON HILLS, IL
- FRN
- 0022836084
- Granted
- Jun 24, 2025
- Expires
- Jul 12, 2033
FCC Amateur and GMRS license lookup
Search public FCC ULS records by callsign, FRN, name, or location.
KC9ZIF
- Callsign
- Try W1AW, or enter several callsigns separated by commas.
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