JOHN A HUMPAL
Active- Service
- Amateur
- Class
- Amateur Extra
- Location
- WATERLOO, IA
- FRN
- 0015582976
- Granted
- Oct 2, 2026
- Expires
- Oct 6, 2036
FCC Amateur and GMRS license lookup
Search public FCC ULS records by callsign, FRN, name, or location.
WB0MAR
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