K4DOI
Unknown1x3Zone 4
License HolderMarston, James T
License ClassGeneral
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredJun 26, 2025
- License RenewedApr 16, 2013
- License ModifiedDec 15, 2006
- License IssuedJun 25, 2003
- Vanity Callsign GrantedJun 25, 2003
- License ExpiredSep 10, 1999
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.