K4COS
Unknown1x3Zone 10
License HolderPerry, Kenneth R
License ClassGeneral
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledMar 23, 2024
- License RenewedAug 18, 2020
- Administrative Update AppliedSep 27, 2019
- Administrative Update AppliedNov 26, 2013
- Administrative Update AppliedMay 4, 2011
- License IssuedNov 6, 2010
- Vanity Callsign GrantedNov 6, 2010
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.