AC4KV
Active2x2District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderBIARNESEN, KEITH R
License ClassTechnician
Min. Class RequiredGeneral
LocationIRVINE, CA
Grant DateAug 22, 2025
Expiration DateOct 24, 2035
AC4KV is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by BIARNESEN, KEITH R in IRVINE, 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 Morris, Jady A on Oct 6, 2015. AC4KV has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.- -.-. ....- -.- ...-
CW Weight: 32 units(Moderate)
Voice Phonetics
Alpha Charlie Four Kilo Victor
Readability: 8/10(High readability)
License History
- License RenewedAug 22, 2025
- License IssuedOct 24, 2015
- Vanity Callsign GrantedOct 24, 2015
- License ExpiredNov 5, 2013
- Tax ID (TIN) AddedDec 18, 2001
- License RenewedDec 18, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.