K4JJK
Available1x3District 4
Competitive callsign — 7 applications filed with the FCC.
License HolderKISTNER JR, JOSEPH J
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationJEFFERSON CITY, TN
Grant DateJun 13, 2020
Expiration DateJun 13, 2030
Cancellation DateDec 16, 2022
Available for ApplicationsDec 17, 2024
K4JJK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by KISTNER JR, JOSEPH J in JEFFERSON CITY, TN. This callsign has attracted significant interest in the amateur radio community, with 7 vanity applications filed with the FCC. The most recent was submitted by KLAYBOR, JON on Jun 25, 2025. K4JJK has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .--- .--- -.-
CW Weight: 41 units(Heavy (slower to send))
Voice Phonetics
Kilo Four Juliet Juliet Kilo
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 CanceledDec 16, 2022
- License IssuedJun 13, 2020
- Vanity Callsign GrantedJun 13, 2020
Vanity Application Activity
Competing applications filed with the FCC for this callsign.