N4ROK
Unknown1x3Zone 5
License HolderGRATTA, DAVID M
License ClassTechnician
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedJan 17, 2018
- License RenewedOct 30, 2007
- FRN Association Email SentOct 8, 2005
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.