K4OO
Unknown1x2Zone 4
License HolderSMITH CHART AMATEUR RADIO SOCIETY
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (1x2).
License History
- License RenewedMar 12, 2021
- License ModifiedAug 13, 2012
- Administrative Update AppliedAug 8, 2012
- License RenewedMay 7, 2011
- License IssuedJun 1, 2001
- Internal Correction AppliedOct 27, 1999
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.