K4ZI
Active1x2District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderZIMMERMAN, JOHN H
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationTAVARES, FL
Grant DateAug 27, 2026
Expiration DateNov 4, 2036
K4ZI is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by ZIMMERMAN, JOHN H in TAVARES, FL. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Sherrill, Jim on Aug 24, 2026. K4ZI has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- --.. ..
CW Weight: 24 units(Light (fast to send))
Voice Phonetics
Kilo Four Zulu India
Readability: 8/10(High readability)
License History
- License RenewedAug 27, 2026
- Administrative Update AppliedAug 27, 2026
- License RenewedAug 31, 2016
- Administrative Update AppliedApr 25, 2013
- License RenewedSep 8, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.