WB4ZMU
Unknown2x3Zone 4
License HolderWARREN, WILLIAM D
License ClassAdvanced
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledAug 19, 2011
- License RenewedFeb 6, 2007
- FRN Association Email SentFeb 5, 2007
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.