N3UI
Active1x2District 3
Competitive callsign — 28 applications filed with the FCC.
License HolderJACOBSEN, FLOYD B
License ClassTechnician
Min. Class RequiredAmateur Extra
LocationSHERIDAN, CA
Grant DateNov 22, 2025
Expiration DateJan 7, 2036
N3UI is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by JACOBSEN, FLOYD B in SHERIDAN, CA. This callsign has attracted significant interest in the amateur radio community, with 28 vanity applications filed with the FCC. The most recent was submitted by MONEYHAN, MICHAEL W on Sep 29, 2005. N3UI has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ...-- ..- ..
CW Weight: 20 units(Ultra-light (very fast to send))
Voice Phonetics
November Three Uniform India
Readability: 7/10(Good readability)
License History
- License RenewedNov 22, 2025
- License RenewedOct 14, 2015
- Administrative Update AppliedDec 18, 2012
- Administrative Update AppliedAug 26, 2010
- License IssuedJan 7, 2006
- Vanity Callsign GrantedJan 7, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.