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KK4SIY

Available2x3Zone 4

License HolderKoenig, Kevin R

License ClassTechnician

Min. Class RequiredTechnician

Grant DateJul 1, 2013

Expiration DateJul 1, 2023

Cancellation DateJul 2, 2025

Available for ApplicationsJul 2, 2025

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License ExpiredJul 2, 2025
System-Generated GrantJul 1, 2013
License IssuedJul 1, 2013

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.

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← KK4SIX KK4SIZ →

FCC data as of Jun 12, 2026 — may be delayed

KK4SIY — CallsignFinder.com