W3MDH
Unknown1x3Zone 6
License HolderHeckendorn, Mark D
License ClassTechnician
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedNov 14, 2023
- License ModifiedOct 27, 2017
- License RenewedAug 23, 2013
- Administrative Update AppliedMar 31, 2009
- Administrative Update AppliedAug 1, 2006
- FRN Association Email SentJul 28, 2006
- License IssuedSep 27, 2003
- Vanity Callsign GrantedSep 27, 2003
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.