WB4ERJ
Unknown2x3Zone 4
License HolderCOLAGROSS SR, JOHN T
License ClassAdvanced
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License RenewedJun 10, 2025
- License RenewedMay 7, 2015
- License ModifiedMay 20, 2011
- License RenewedJul 27, 2005
- FRN Association Letter SentJul 27, 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.