K9OZZ
Active1x3District 9
Competitive callsign — 4 applications filed with the FCC.
License HolderDONAHUE, ROBERT T
License ClassTechnician
Min. Class RequiredGeneral
LocationMESA, AZ
Grant DateDec 13, 2025
Expiration DateFeb 4, 2036
K9OZZ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by DONAHUE, ROBERT T in MESA, AZ. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Loiler, Mark V on Dec 26, 2007. K9OZZ has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----. --- --.. --..
CW Weight: 45 units(Heavy (slower to send))
Voice Phonetics
Kilo Nine Oscar Zulu Zulu
Readability: 8/10(High readability)
License History
- License RenewedDec 13, 2025
- License RenewedJul 12, 2016
- License IssuedFeb 4, 2006
- Vanity Callsign GrantedFeb 4, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.