WO4J
Active2x1District 4
Competitive callsign — 22 applications filed with the FCC.
License HolderMAJOR, MICHAEL A
License ClassTechnician
Min. Class RequiredAmateur Extra
LocationLUTZ, FL
Grant DateApr 12, 2021
Expiration DateJun 28, 2031
WO4J is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by MAJOR, MICHAEL A in LUTZ, FL. This callsign has attracted significant interest in the amateur radio community, with 22 vanity applications filed with the FCC. The most recent was submitted by BABBITT, JOHN on May 11, 2001. WO4J has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
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CW Weight: 33 units(Moderate)
Voice Phonetics
Whiskey Oscar Four Juliet
Readability: 8/10(High readability)
License History
- Administrative Update AppliedDec 9, 2025
- License RenewedApr 12, 2021
- License RenewedJun 28, 2011
- License IssuedMay 5, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.