KO4YZI
Active2x3District 4
No competing applications on record.
License HolderNELSON, JAMES G
License ClassGeneral
Min. Class RequiredTechnician
LocationChula Vista, CA
Grant DateMar 23, 2022
Expiration DateMar 23, 2032
KO4YZI is a 2x3 format amateur radio callsign. It is currently registered to NELSON, JAMES G in Chula Vista, CA. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.
CW & Voice Analysis
Morse Code
-.- --- ....- -.-- --.. ..
CW Weight: 43 units(Heavy (slower to send))
Voice Phonetics
Kilo Oscar Four Yankee Zulu India
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedDec 9, 2025
- Administrative Update AppliedDec 9, 2025
- License ModifiedJun 27, 2022
- System-Generated GrantMar 23, 2022
- License IssuedMar 23, 2022
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications on record. Verify on the FCC ULS application search before filing.