KC0S
Unknown2x1Zone 10
License HolderCLAUSEN, MICHAEL L
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (2x1).
License History
- License RenewedMar 31, 2026
- License RenewedApr 19, 2016
- License RenewedJan 31, 2006
- FRN Association Letter SentJan 31, 2006
- FRN Association Email SentJan 30, 2006
- FRN Association Email FailedJan 30, 2006
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.