KR5J
Unknown2x1
License HolderTOPOLSKI, JULIAN J
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (2x1).
License History
- Administrative Update AppliedDec 4, 2025
- License RenewedDec 3, 2025
- Administrative Update AppliedJul 24, 2025
- License RenewedDec 15, 2015
- License RenewedJan 4, 2006
- Administrative Update AppliedFeb 22, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications detected. Monitor the FCC ULS application search to verify before filing.