K4ERK
Unknown1x3Zone 4
License HolderKNOWLES, EDWARD R
License ClassTechnician
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedNov 19, 2025
- License ModifiedMar 22, 2021
- License RenewedJan 21, 2016
- License ModifiedMar 12, 2007
- Administrative Update AppliedJul 20, 2006
- License IssuedJan 7, 2006
- Vanity Callsign GrantedJan 7, 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.