K4TDO
Unknown1x3Zone 4
License HolderOSBORNE, TIMOTHY D
License ClassTechnician
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedJun 30, 2020
- Administrative Update AppliedMay 2, 2012
- License RenewedOct 6, 2010
- Administrative Update AppliedDec 7, 2007
- License IssuedAug 1, 2000
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.