W4KLL
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderGUZMAN, HUMBERTO
License ClassTechnician
Min. Class RequiredGeneral
LocationPALMDALE, CA
Grant DateJul 8, 2025
Expiration DateJul 8, 2035
W4KLL is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by GUZMAN, HUMBERTO in PALMDALE, 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 LAWRENCE, JAMES W on Jun 20, 2025. W4KLL has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- -.- .-.. .-..
CW Weight: 33 units(Moderate)
Voice Phonetics
Whiskey Four Kilo Lima Lima
Readability: 8/10(High readability)
License History
- License ModifiedAug 25, 2025
- License IssuedJul 8, 2025
- Vanity Callsign GrantedJul 8, 2025
- License ExpiredOct 28, 2020
- License RenewedJul 30, 2008
- Administrative Update AppliedSep 13, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- LAWRENCE, JAMES WFiled Jun 20, 2025Not awardedFCC ↗