KO4SMF
Active2x3District 4
No competing applications on record.
License HolderShell, Steven
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationJACKSONVILLE, FL
Grant DateAug 10, 2021
Expiration DateAug 10, 2031
KO4SMF is a 2x3 format amateur radio callsign. It is currently registered to Shell, Steven in JACKSONVILLE, FL. 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: 38 units(Moderate)
Voice Phonetics
Kilo Oscar Four Sierra Mike Foxtrot
Readability: 7.5/10(High readability)
License History
- License ModifiedAug 24, 2026
- License ModifiedNov 1, 2021
- System-Generated GrantAug 10, 2021
- License IssuedAug 10, 2021
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.