N4SMZ
Available1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderSmith, Kevin W
License ClassGeneral
Min. Class RequiredGeneral
LocationMiami, FL
Grant DateDec 9, 2011
Expiration DateDec 9, 2021
Cancellation DateDec 12, 2023
Available for ApplicationsDec 10, 2023
N4SMZ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Smith, Kevin W in Miami, FL. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Zemke, Scott M on Jul 7, 2025. N4SMZ has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- ... -- --..
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
November Four Sierra Mike Zulu
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredDec 12, 2023
- License IssuedDec 9, 2011
- Vanity Callsign GrantedDec 9, 2011
- License ExpiredApr 13, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.