W0IZI
Active1x3District 0
Competitive callsign — 1 application filed with the FCC.
License HolderSUBKA, RONALD C
License ClassGeneral
Min. Class RequiredGeneral
LocationColorado Springs, CO
Grant DateMar 17, 2026
Expiration DateMar 17, 2036
W0IZI is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SUBKA, RONALD C in Colorado Springs, CO. 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 SUBKA, RONALD C on Feb 27, 2026. W0IZI has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ----- .. --.. ..
CW Weight: 34 units(Moderate)
Voice Phonetics
Whiskey Zero India Zulu India
Readability: 6.5/10(Good readability)
License History
- License IssuedMar 17, 2026
- Vanity Callsign GrantedMar 17, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- SUBKA, RONALD CFiled Feb 27, 2026Not awardedFCC ↗