K4RVW
Unknown1x3Zone 4
License HolderHELMS, JOHN F
License ClassAdvanced
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedNov 16, 2016
- Tax ID (TIN) AddedOct 17, 2006
- License RenewedOct 17, 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.