K4KRT
Unknown1x3Zone 4
License HolderTHORSEN, KEITH R
License ClassGeneral
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- Administrative Update AppliedApr 30, 2026
- License RenewedNov 4, 2022
- Administrative Update AppliedSep 1, 2020
- Administrative Update AppliedAug 26, 2020
- Administrative Update AppliedDec 11, 2018
- License RenewedJan 4, 2013
- Administrative Update AppliedMay 25, 2007
- License IssuedJan 28, 2003
- Vanity Callsign GrantedJan 28, 2003
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.