W4ZSF
Unknown1x3Zone 4
License HolderHARPER, JOHN C
License ClassGeneral
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredSep 24, 2020
- License RenewedSep 23, 2008
- FRN Association Email SentSep 20, 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.