KK4ZKO
Available2x3District 4
No competing applications on record.
License HolderSMITH, CALVIN T
License ClassGeneral
Min. Class RequiredTechnician
LocationSAN ANTONIO, TX
Grant DateMar 17, 2014
Expiration DateMar 17, 2024
Cancellation DateMay 7, 2026
Available for ApplicationsMar 18, 2026
KK4ZKO is a 2x3 format amateur radio callsign. It is currently registered to SMITH, CALVIN T in SAN ANTONIO, TX. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.
CW & Voice Analysis
Morse Code
-.- -.- ....- --.. -.- ---
CW Weight: 45 units(Heavy (slower to send))
Voice Phonetics
Kilo Kilo Four Zulu Kilo Oscar
Readability: 7.5/10(High readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License ExpiredMay 7, 2026
- System-Generated GrantMar 17, 2014
- License IssuedMar 17, 2014
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications on record. Verify on the FCC ULS application search before filing.