W9BKO
Active1x3District 9
Competitive callsign — 1 application filed with the FCC.
License HolderWeilemann, Christopher E
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationNaperville, IL
Grant DateMar 4, 2026
Expiration DateApr 25, 2036
W9BKO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Weilemann, Christopher E in Naperville, IL. 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 Weilemann, Christopher E on Apr 5, 2006. W9BKO has 10 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ----. -... -.- ---
CW Weight: 42 units(Heavy (slower to send))
Voice Phonetics
Whiskey Nine Bravo Kilo Oscar
Readability: 8/10(High readability)
License History
- License RenewedMar 4, 2026
- Administrative Update AppliedAug 6, 2025
- License RenewedJan 28, 2016
- Administrative Update AppliedMar 3, 2015
- Administrative Update AppliedMay 25, 2011
- Administrative Update AppliedMar 8, 2011
- Administrative Update AppliedMay 17, 2007
- License ModifiedMay 31, 2006
- Vanity Callsign GrantedApr 25, 2006
- License IssuedApr 25, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Weilemann, Christopher EFiled Apr 5, 2006Not awardedFCC ↗