KR4IVR
Cancelled2x3Zone 4
License HolderMack, Andrew B
License ClassTechnician
Min. Class RequiredTechnician
Grant DateJan 13, 2026
Cancellation DateFeb 10, 2026
Available for ApplicationsFeb 11, 2028
Available Feb 11, 2028 (608 days remaining)
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledFeb 10, 2026
- System-Generated GrantJan 13, 2026
- License IssuedJan 13, 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.