KA5OIZ
Active2x3District 5
Competitive callsign — 1 application filed with the FCC.
License HolderFranzblau, David C
License ClassTechnician
Min. Class RequiredTechnician
LocationNoblesville, IN
Grant DateFeb 28, 2026
Expiration DateFeb 28, 2036
KA5OIZ is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Franzblau, David C in Noblesville, IN. 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 Franzblau, David C on Feb 10, 2026. KA5OIZ has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .- ..... --- .. --..
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo Alpha Five Oscar India Zulu
Readability: 7/10(Good readability)
License History
- License IssuedFeb 28, 2026
- Vanity Callsign GrantedFeb 28, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Franzblau, David CFiled Feb 10, 2026Not awardedFCC ↗