N4ZSU
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderUribe, Zack
License ClassTechnician
Min. Class RequiredGeneral
LocationHilo, HI
Grant DateJan 16, 2026
Expiration DateJan 16, 2036
N4ZSU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Uribe, Zack in Hilo, HI. 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 Uribe, Zack on Dec 29, 2025. N4ZSU has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- --.. ... ..-
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
November Four Zulu Sierra Uniform
Readability: 6.5/10(Good readability)
License History
- License IssuedJan 16, 2026
- Vanity Callsign GrantedJan 16, 2026
- License ExpiredJul 11, 2012
- Tax ID (TIN) AddedFeb 21, 2001
- License RenewedFeb 21, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Uribe, ZackFiled Dec 29, 2025Not awardedFCC ↗