AJ4O
Active2x1District 4
Competitive callsign — 11 applications filed with the FCC.
License HolderQuick, Jesse R
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationDefuniak Springs, FL
Grant DateApr 14, 2026
Expiration DateApr 14, 2036
AJ4O is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Quick, Jesse R in Defuniak Springs, FL. This callsign has attracted significant interest in the amateur radio community, with 11 vanity applications filed with the FCC. The most recent was submitted by Quick, Jesse R on Mar 25, 2026. AJ4O has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- .--- ....- ---
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Alpha Juliet Four Oscar
Readability: 8/10(High readability)
License History
- License IssuedApr 14, 2026
- Vanity Callsign GrantedApr 14, 2026
- License ExpiredMar 6, 2026
- License RenewedOct 17, 2013
- License RenewedOct 7, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.