K4ISU
Unknown1x3Zone 10
License HolderErdman, Quintin A
License ClassTechnician
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ModifiedJan 29, 2025
- License IssuedJan 28, 2025
- Vanity Callsign GrantedJan 28, 2025
- License ExpiredJan 11, 2018
- Administrative Update AppliedApr 8, 2010
- License IssuedJan 10, 2006
- Vanity Callsign GrantedJan 10, 2006
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.