K4MRF
Unknown1x3Zone 4
License HolderFOSTER, JOHN W
License ClassGeneral
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredMay 13, 2021
- License RenewedMar 31, 2009
- FRN Association Letter SentMar 31, 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.