W5MSO
Unknown1x3Zone 4
License HolderO'Rourke, Michael S
License ClassTechnician
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedMar 3, 2026
- License RenewedFeb 13, 2016
- License ModifiedMar 13, 2007
- Administrative Update AppliedJun 25, 2005
- License IssuedOct 15, 2004
- Vanity Callsign GrantedOct 15, 2004
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.