KM4CIO
Available2x3District 4
No competing applications on record.
License HolderBlair, Sean M
License ClassTechnician
Min. Class RequiredTechnician
LocationCharleston, SC
Grant DateJun 17, 2014
Expiration DateJun 17, 2024
Cancellation DateJun 19, 2026
Available for ApplicationsJun 18, 2026
KM4CIO is a 2x3 format amateur radio callsign. It is currently registered to Blair, Sean M in Charleston, SC. 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: 39 units(Moderate)
Voice Phonetics
Kilo Mike Four Charlie India 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 ExpiredJun 19, 2026
- System-Generated GrantJun 17, 2014
- License IssuedJun 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.