WB4RTK
Unknown2x3Zone 5
License HolderMartin, Martha W
License ClassGeneral
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredMar 6, 2026
- Administrative Update AppliedJan 4, 2018
- License RenewedAug 8, 2013
- License RenewedAug 5, 2003
- License ModifiedJul 11, 2000
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.