K4DEF
Unknown1x3Zone 4
License HolderOVERDORFF, WILLIAM R
License ClassAdvanced
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledDec 16, 2022
- Administrative Update AppliedNov 29, 2022
- Administrative Update AppliedAug 11, 2022
- Vanity Callsign GrantedJan 21, 2022
- License IssuedJan 21, 2022
- License ExpiredMar 6, 2021
- License RenewedDec 9, 2008
- Administrative Update AppliedJun 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.