AK4UI
Active2x2District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderWarrick, John W
License ClassTechnician
Min. Class RequiredGeneral
LocationMoreno Valley, CA
Grant DateOct 1, 2021
Expiration DateDec 29, 2031
AK4UI is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Warrick, John W in Moreno Valley, CA. 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 KREITZ, RICHARD C on May 8, 2000. AK4UI has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- -.- ....- ..- ..
CW Weight: 25 units(Light (fast to send))
Voice Phonetics
Alpha Kilo Four Uniform India
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedJan 6, 2026
- License RenewedOct 1, 2021
- License IssuedMay 9, 2012
- System-Generated GrantMay 9, 2012
Vanity Application Activity
Competing applications filed with the FCC for this callsign.