KJ4ATC
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderSinkinson, Kathleen
License ClassTechnician
Min. Class RequiredTechnician
LocationEllicott City, MD
Grant DateMay 16, 2026
Expiration DateMay 16, 2036
KJ4ATC is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Sinkinson, Kathleen in Ellicott City, MD. 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 Johnson, Keith D on Apr 28, 2026. KJ4ATC has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .--- ....- .- - -.-.
CW Weight: 39 units(Moderate)
Voice Phonetics
Kilo Juliet Four Alpha Tango Charlie
Readability: 7/10(Good readability)
License History
- License IssuedMay 16, 2026
- Vanity Callsign GrantedMay 16, 2026
- License CanceledDec 18, 2007
- System-Generated GrantNov 27, 2007
- License IssuedNov 27, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Johnson, Keith DFiled Apr 28, 2026Not awardedFCC ↗