W6KO
Active1x2District 6
Competitive callsign — 81 applications filed with the FCC.
License HolderBrentwood Contesting Club
Min. Class RequiredAmateur Extra
LocationWalnut Creek, CA
Grant DateJun 25, 2022
Expiration DateJun 25, 2032
W6KO is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by Brentwood Contesting Club in Walnut Creek, CA. This callsign has attracted significant interest in the amateur radio community, with 81 vanity applications filed with the FCC. The most recent was submitted by KOBERSTEIN, TERRY L on Sep 8, 2025. W6KO has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- -.... -.- ---
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Whiskey Six Kilo Oscar
Readability: 8.5/10(High readability)
License History
- Vanity Callsign GrantedJun 25, 2022
- License IssuedJun 25, 2022
- License ExpiredJun 7, 2022
- Administrative Update AppliedApr 16, 2013
- License RenewedMay 1, 2010
- Administrative Update AppliedJun 20, 2006
- License IssuedJun 6, 2000
- License ExpiredMay 18, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.