K4NU
Active1x2District 4
Competitive callsign — 7 applications filed with the FCC.
License HolderWILLIAMS, STEPHEN E
License ClassTechnician
Min. Class RequiredAmateur Extra
LocationLAGUNA NIGUEL, CA
Grant DateApr 12, 2024
Expiration DateApr 12, 2034
K4NU is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by WILLIAMS, STEPHEN E in LAGUNA NIGUEL, CA. This callsign has attracted significant interest in the amateur radio community, with 7 vanity applications filed with the FCC. The most recent was submitted by GILES II, ARTHUR W on May 29, 2026. K4NU has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- -. ..-
CW Weight: 23 units(Light (fast to send))
Voice Phonetics
Kilo Four November Uniform
Readability: 7.5/10(High readability)
License History
- Vanity Callsign GrantedApr 12, 2024
- License IssuedApr 12, 2024
- License ExpiredMar 26, 2024
- License RenewedFeb 28, 2012
- Administrative Update AppliedNov 1, 2011
- Tax ID (TIN) AddedDec 27, 2001
- License RenewedDec 27, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.