ND4S
Unknown2x1Zone 4
License HolderCUMBO, MICHAEL L
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (2x1).
License History
- License RenewedMay 8, 2026
- License RenewedJul 6, 2016
- License RenewedJun 13, 2006
- FRN Association Letter SentSep 15, 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.