KO9U
Active2x1District 9
Competitive callsign — 16 applications filed with the FCC.
License HolderBreitenbach, Scott L
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationCENTRAL, UT
Grant DateNov 26, 2025
Expiration DateFeb 23, 2036
KO9U is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Breitenbach, Scott L in CENTRAL, UT. This callsign has attracted significant interest in the amateur radio community, with 16 vanity applications filed with the FCC. The most recent was submitted by Breitenbach, Scott L on Feb 3, 2016. KO9U has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --- ----. ..-
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Oscar Nine Uniform
Readability: 8/10(High readability)
License History
- License RenewedNov 26, 2025
- Administrative Update AppliedMay 23, 2024
- License IssuedFeb 23, 2016
- Vanity Callsign GrantedFeb 23, 2016
- License CanceledJan 14, 2014
- Vanity Callsign GrantedAug 20, 2011
- License IssuedAug 20, 2011
Vanity Application Activity
Competing applications filed with the FCC for this callsign.