KU9N
Available2x1District 9
Competitive callsign — 23 applications filed with the FCC.
License HolderCostello, William M
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationBannockburn, IL
Grant DateDec 14, 2013
Expiration DateMar 5, 2024
Cancellation DateMar 7, 2026
Available for ApplicationsMar 6, 2026
KU9N is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Costello, William M in Bannockburn, IL. This callsign has attracted significant interest in the amateur radio community, with 23 vanity applications filed with the FCC. The most recent was submitted by SEOK, GEUNHO on Aug 4, 2026. KU9N has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..- ----. -.
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Kilo Uniform Nine November
Readability: 7.5/10(High readability)
This callsign is available now
Requires Amateur Extra license or higher to apply for this callsign format (2x1).
License History
- License ExpiredMar 7, 2026
- License IssuedDec 14, 2013
- Vanity Callsign GrantedDec 14, 2013
- License ExpiredNov 17, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.