AA4U
Active2x1District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderCARROLL, STEPHEN J
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationHAZEL GREEN, AL
Grant DateJul 11, 2017
Expiration DateOct 5, 2027
AA4U is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by CARROLL, STEPHEN J in HAZEL GREEN, AL. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by CARROLL, STEPHEN J on Sep 17, 2007. AA4U has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- .- ....- ..-
CW Weight: 20 units(Ultra-light (very fast to send))
Voice Phonetics
Alpha Alpha Four Uniform
Readability: 8/10(High readability)
License History
- Administrative Update AppliedDec 30, 2025
- License RenewedJul 11, 2017
- License IssuedOct 5, 2007
- Vanity Callsign GrantedOct 5, 2007
- Internal Correction AppliedSep 20, 2007
- Internal Correction AppliedSep 20, 2007
- License ModifiedJun 13, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.