K4ROK
Unknown1x3Zone 4
License HolderFERRIS, DOUGLAS N
License ClassAdvanced
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedMar 23, 2018
- License RenewedApr 2, 2008
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.