KB4USA
Active2x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderWALL, JOHN N
License ClassNovice
Min. Class RequiredTechnician
LocationBERRYVILLE, AR
Grant DateApr 17, 2026
Expiration DateJun 5, 2036
KB4USA is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by WALL, JOHN N in BERRYVILLE, AR. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Moore Sr, John W on Oct 21, 2020. KB4USA has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -... ....- ..- ... .-
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Bravo Four Uniform Sierra Alpha
Readability: 6.5/10(Good readability)
License History
- Administrative Update AppliedMay 4, 2026
- License RenewedApr 17, 2026
- License RenewedMar 19, 2016
- Administrative Update AppliedJul 21, 2015
- License RenewedApr 18, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.