KX4SMH
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderHeffner, Steven M
License ClassTechnician
Min. Class RequiredTechnician
LocationWinston Salem, NC
Grant DateMay 7, 2024
Expiration DateJun 25, 2034
KX4SMH is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Heffner, Steven M in Winston Salem, NC. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Heffner, Steven M on Jun 7, 2004. KX4SMH has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -..- ....- ... -- ....
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo X-ray Four Sierra Mike Hotel
Readability: 7.5/10(High readability)
License History
- License RenewedMay 7, 2024
- License RenewedJun 27, 2014
- License IssuedJun 25, 2004
- Vanity Callsign GrantedJun 25, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Heffner, Steven MFiled Jun 7, 2004Not awardedFCC ↗