ND4MR
Unknown2x2Zone 4
License HolderRITTER JR, DAVID M
License ClassAdvanced
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (2x2).
License History
- Administrative Update AppliedMar 27, 2026
- Administrative Update AppliedMar 12, 2026
- License RenewedApr 6, 2018
- Administrative Update AppliedMar 26, 2014
- Administrative Update AppliedFeb 25, 2013
- License ModifiedJul 30, 2012
- License RenewedFeb 27, 2008
- Administrative Update AppliedJul 28, 2000
- License ModifiedOct 15, 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.