K9CJS
Available1x3District 9
Competitive callsign — 5 applications filed with the FCC.
License HolderSukow, Jeffrey D
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationColgate, WI
Grant DateMay 18, 2018
Expiration DateMay 18, 2028
Cancellation DateFeb 20, 2019
Available for ApplicationsFeb 21, 2021
K9CJS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Sukow, Jeffrey D in Colgate, WI. 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 Lencioni, Michael A on May 7, 2026. K9CJS has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----. -.-. .--- ...
CW Weight: 41 units(Heavy (slower to send))
Voice Phonetics
Kilo Nine Charlie Juliet Sierra
Readability: 7/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledFeb 20, 2019
- License ModifiedMay 22, 2018
- License IssuedMay 18, 2018
- Vanity Callsign GrantedMay 18, 2018
- License ExpiredApr 3, 2018
- License RenewedJan 10, 2006
- Tax ID (TIN) AddedJan 10, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.