WB4ZSL
Unknown2x3Zone 4
License HolderSWAIM, DONNIE L
License ClassTechnician
Min. Class RequiredTechnician
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- Administrative Update AppliedMay 4, 2026
- Administrative Update AppliedApr 1, 2026
- License RenewedMar 27, 2026
- License RenewedMar 3, 2016
- License ModifiedFeb 13, 2009
- Tax ID (TIN) AddedMar 3, 2006
- License RenewedMar 3, 2006
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.