KO6DUF
Available2x3District 6
Competitive callsign — 1 application filed with the FCC.
License HolderZarnegar, Niyusha A
License ClassTechnician
Min. Class RequiredTechnician
LocationGlendora, CA
Grant DateMar 13, 2024
Expiration DateMar 13, 2034
Cancellation DateApr 2, 2024
Available for ApplicationsApr 3, 2026
KO6DUF is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Zarnegar, Niyusha A in Glendora, CA. 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 Duffy, Kevin on Dec 31, 2025. KO6DUF has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --- -.... -.. ..- ..-.
CW Weight: 39 units(Moderate)
Voice Phonetics
Kilo Oscar Six Delta Uniform Foxtrot
Readability: 7/10(Good readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledApr 2, 2024
- System-Generated GrantMar 13, 2024
- License IssuedMar 13, 2024
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Duffy, KevinFiled Dec 31, 2025DismissedFCC ↗