KI4OB
Unknown2x2Zone 4
License HolderTHURSTON, WILLIAM H
License ClassAdvanced
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (2x2).
License History
- License RenewedApr 14, 2026
- License RenewedSep 15, 2015
- Administrative Update AppliedFeb 15, 2012
- License RenewedDec 13, 2005
- FRN Association Letter SentDec 13, 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.