W9OSI
Unknown1x3Zone 9
License HolderMATUSKA, DIRK A
License ClassAmateur Extra
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedDec 5, 2017
- License ModifiedApr 3, 2009
- License IssuedFeb 5, 2008
- Vanity Callsign GrantedFeb 5, 2008
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.