K4OPG
Unknown1x3Zone 4
License HolderPreston Jr, David M
License ClassGeneral
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- Administrative Update AppliedFeb 2, 2026
- License RenewedJan 30, 2026
- Administrative Update AppliedMar 11, 2025
- License IssuedMar 29, 2016
- Vanity Callsign GrantedMar 29, 2016
- License ExpiredMay 16, 2009
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.