K4ISR
Unknown1x3Zone 4
License HolderKAISER JR, MICHAEL J
License ClassTechnician
Min. Class RequiredGeneral
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedMar 5, 2025
- License ModifiedMay 18, 2015
- License IssuedMar 10, 2015
- Vanity Callsign GrantedMar 10, 2015
- License ExpiredMar 16, 2000
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.