K0JKU
Available1x3District 0
Competitive callsign — 8 applications filed with the FCC.
License HolderBUEKER, JACOB R
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationGARDNER, KS
Grant DateSep 9, 2020
Expiration DateSep 9, 2030
Cancellation DateJul 27, 2021
Available for ApplicationsJul 28, 2023
K0JKU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by BUEKER, JACOB R in GARDNER, KS. This callsign has attracted significant interest in the amateur radio community, with 8 vanity applications filed with the FCC. The most recent was submitted by Steffen, Andrew M on Dec 16, 2025. K0JKU has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----- .--- -.- ..-
CW Weight: 44 units(Heavy (slower to send))
Voice Phonetics
Kilo Zero Juliet Kilo Uniform
Readability: 6.5/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledJul 27, 2021
- License ModifiedJun 3, 2021
- License IssuedSep 9, 2020
- Vanity Callsign GrantedSep 9, 2020
- License CanceledAug 17, 2018
- Vanity Callsign GrantedNov 1, 2016
- License IssuedNov 1, 2016
Vanity Application Activity
Competing applications filed with the FCC for this callsign.