K4XS
Unknown1x2Zone 13
License HolderKollenbaum, Wilbert E
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (1x2).
License History
- Administrative Update AppliedFeb 21, 2020
- License RenewedJun 1, 2017
- Administrative Update AppliedDec 17, 2016
- Administrative Update AppliedAug 5, 2011
- Tax ID (TIN) AddedAug 22, 2007
- License RenewedAug 22, 2007
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.