WB4SDH
Unknown2x3Zone 4
License HolderMC KAY, MICHAEL L
License ClassAdvanced
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License RenewedAug 28, 2025
- License RenewedAug 6, 2015
- FRN Association Letter SentAug 19, 2005
- License RenewedAug 18, 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.