KM4SFB
Active2x3District 4
No competing applications on record.
License HolderVIERLING, KYLE E
License ClassTechnician
Min. Class RequiredTechnician
LocationIVA, SC
Grant DateJan 22, 2026
Expiration DateMar 11, 2036
KM4SFB is a 2x3 format amateur radio callsign. It is currently registered to VIERLING, KYLE E in IVA, 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: 35 units(Moderate)
Voice Phonetics
Kilo Mike Four Sierra Foxtrot Bravo
Readability: 7.5/10(High readability)
License History
- License RenewedJan 22, 2026
- System-Generated GrantMar 11, 2016
- License IssuedMar 11, 2016
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.