KJ4MBK
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderWilson, Andrew T
License ClassTechnician
Min. Class RequiredTechnician
LocationAustin, TX
Grant DateMay 5, 2026
Expiration DateMay 5, 2036
KJ4MBK is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Wilson, Andrew T in Austin, TX. 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 Keating, Joseph M on Apr 15, 2026. KJ4MBK has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .--- ....- -- -... -.-
CW Weight: 43 units(Heavy (slower to send))
Voice Phonetics
Kilo Juliet Four Mike Bravo Kilo
Readability: 7.5/10(High readability)
License History
- Vanity Callsign GrantedMay 5, 2026
- License IssuedMay 5, 2026
- License CanceledApr 20, 2010
- License ModifiedJun 22, 2009
- Administrative Update AppliedMay 23, 2009
- System-Generated GrantMay 14, 2009
- License IssuedMay 14, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Keating, Joseph MFiled Apr 15, 2026Not awardedFCC ↗