AJ4AA
Active2x2District 4
Competitive callsign — 13 applications filed with the FCC.
License HolderTsujimura, Mikio
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationGREENWOOD, SC
Grant DateApr 25, 2024
Expiration DateJul 8, 2034
AJ4AA is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Tsujimura, Mikio in GREENWOOD, SC. This callsign has attracted significant interest in the amateur radio community, with 13 vanity applications filed with the FCC. The most recent was submitted by Benitz Jr, John P on Apr 21, 2025. AJ4AA has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- .--- ....- .- .-
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Alpha Juliet Four Alpha Alpha
Readability: 7.5/10(High readability)
License History
- License RenewedApr 25, 2024
- Administrative Update AppliedOct 24, 2023
- Administrative Update AppliedMar 23, 2017
- Vanity Callsign GrantedJul 8, 2014
- License IssuedJul 8, 2014
- License CanceledJul 2, 2003
- License IssuedOct 10, 2001
- Vanity Callsign GrantedOct 10, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.