KR4ISA
Active2x3Zone 4
License HolderSchifferle, John R
License ClassTechnician
Min. Class RequiredTechnician
Grant DateJan 6, 2026
Expiration DateJan 6, 2036
License History
- System-Generated GrantJan 6, 2026
- License IssuedJan 6, 2026
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.