KO4J
Active2x1District 4
Competitive callsign — 26 applications filed with the FCC.
License HolderWADA, TETSUO
License ClassTechnician
Min. Class RequiredAmateur Extra
LocationBerkeley, CA
Grant DateFeb 9, 2024
Expiration DateMay 8, 2034
KO4J is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by WADA, TETSUO in Berkeley, CA. This callsign has attracted significant interest in the amateur radio community, with 26 vanity applications filed with the FCC. The most recent was submitted by Baldwin, John F on Jul 20, 2021. KO4J has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --- ....- .---
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Oscar Four Juliet
Readability: 8/10(High readability)
License History
- License RenewedFeb 9, 2024
- Administrative Update AppliedNov 1, 2018
- Administrative Update AppliedSep 3, 2016
- License RenewedApr 1, 2014
- Vanity Callsign GrantedMay 8, 2004
- License IssuedMay 8, 2004
- License CanceledApr 2, 2002
- License IssuedJun 30, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.