W4NK
Unknown1x2
License HolderUNDERWOOD III, THEOPHILUS B
Min. Class RequiredAmateur Extra
Requires Amateur Extra license or higher to apply for this callsign format (1x2).
License History
- Administrative Update AppliedJun 13, 2024
- License RenewedNov 8, 2022
- Administrative Update AppliedJan 31, 2018
- License RenewedOct 12, 2012
- Administrative Update AppliedMay 22, 2007
- Administrative Update AppliedMay 10, 2005
- Administrative Update AppliedJun 25, 2003
- Vanity Callsign GrantedJan 7, 2003
- License IssuedJan 7, 2003
- Internal Correction AppliedJan 2, 2003
- Internal Correction AppliedJan 2, 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.