AI4CW
Active2x2District 4
Competitive callsign — 1 application filed with the FCC.
License HolderMILLS, DAVID G
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationMURRIETA, CA
Grant DateJun 23, 2026
Expiration DateAug 11, 2036
AI4CW is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by MILLS, DAVID G in MURRIETA, CA. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Lemley, Kerry O on Jul 24, 2006. AI4CW has 11 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- .. ....- -.-. .--
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Alpha India Four Charlie Whiskey
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedJun 29, 2026
- Administrative Update AppliedJun 26, 2026
- License RenewedJun 23, 2026
- Administrative Update AppliedJul 14, 2020
- Administrative Update AppliedAug 29, 2017
- License RenewedJun 21, 2016
- Administrative Update AppliedMar 16, 2010
- Administrative Update AppliedDec 22, 2009
- Vanity Callsign GrantedAug 11, 2006
- License IssuedAug 11, 2006
- License CanceledFeb 22, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Lemley, Kerry OFiled Jul 24, 2006Not awardedFCC ↗