K4MRJ
Unknown1x3Zone 6
License HolderJohnson, Mark R
License ClassGeneral
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedSep 11, 2025
- License IssuedOct 23, 2015
- Vanity Callsign GrantedOct 23, 2015
- License ExpiredJul 28, 2010
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.