N4DWB
Available1x3Zone 4
License HolderHelmer, Mark E
License ClassAmateur Extra
Min. Class RequiredGeneral
Grant DateJul 20, 2010
Expiration DateJul 20, 2020
Cancellation DateJul 21, 2022
Available for ApplicationsJul 21, 2022
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredJul 21, 2022
- License RenewedJul 20, 2010
- Authorization PrintedJan 16, 2009
- License ModifiedMar 11, 2003
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.