AA4I
Active2x1District 4
Competitive callsign — 16 applications filed with the FCC.
License HolderDEW, SHANNON D
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationDenver, CO
Grant DateApr 7, 2020
Expiration DateJun 27, 2030
AA4I is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by DEW, SHANNON D in Denver, CO. This callsign has attracted significant interest in the amateur radio community, with 16 vanity applications filed with the FCC. The most recent was submitted by Byrnes, Larry A on Mar 28, 2016. AA4I has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- .- ....- ..
CW Weight: 17 units(Ultra-light (very fast to send))
Voice Phonetics
Alpha Alpha Four India
Readability: 8/10(High readability)
License History
- Administrative Update AppliedAug 16, 2025
- License RenewedApr 7, 2020
- Administrative Update AppliedJun 5, 2019
- Administrative Update AppliedAug 16, 2011
- License RenewedJun 24, 2010
- Administrative Update AppliedMar 2, 2010
- Administrative Update AppliedSep 21, 2001
- License IssuedJun 27, 2000
- License ExpiredJun 9, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.