KK9U
Active2x1District 9
Competitive callsign — 5 applications filed with the FCC.
License HolderMcMahon, SEAN F
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationSeattle, WA
Grant DateJul 24, 2020
Expiration DateJul 24, 2030
KK9U is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by McMahon, SEAN F in Seattle, WA. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by APPLE RIVER AMATEUR RADIO ASSOCIATION on Jul 8, 2020. KK9U has 11 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.- ----. ..-
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Kilo Nine Uniform
Readability: 8/10(High readability)
License History
- Administrative Update AppliedApr 28, 2026
- Administrative Update AppliedAug 19, 2020
- License IssuedJul 24, 2020
- Vanity Callsign GrantedJul 24, 2020
- Internal Correction AppliedOct 2, 2019
- Internal Correction AppliedOct 2, 2019
- License RenewedMay 2, 2017
- Vanity Callsign GrantedApr 20, 2007
- License IssuedApr 20, 2007
- Internal Correction AppliedFeb 9, 2007
- Internal Correction AppliedFeb 9, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.