K4RUB
Unknown1x3Zone 4
License HolderHULSE, DAVID R
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedNov 22, 2025
- License ModifiedOct 22, 2015
- Administrative Update AppliedOct 21, 2015
- License IssuedOct 14, 2015
- Vanity Callsign GrantedOct 14, 2015
- License ExpiredFeb 11, 2011
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.