KZ4SI
Active2x2District 4
Competitive callsign — 1 application filed with the FCC.
License HolderMESSNER, GERALD A
License ClassGeneral
Min. Class RequiredGeneral
LocationJenks, OK
Grant DateApr 16, 2025
Expiration DateApr 16, 2035
KZ4SI is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by MESSNER, GERALD A in Jenks, OK. 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 Yobp, Rockney T on Feb 20, 2018. KZ4SI has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --.. ....- ... ..
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Kilo Zulu Four Sierra India
Readability: 7/10(Good readability)
License History
- System-Generated GrantApr 16, 2025
- License IssuedApr 16, 2025
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Yobp, Rockney TFiled Feb 20, 2018DismissedFCC ↗