KJ4X
Active2x1District 4
Competitive callsign — 7 applications filed with the FCC.
License HolderAnderson, William J
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationWartburg, TN
Grant DateSep 17, 2022
Expiration DateSep 17, 2032
KJ4X is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Anderson, William J in Wartburg, 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 Bates IV, James L on Jul 30, 2012. KJ4X has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .--- ....- -..-
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Juliet Four X-ray
Readability: 8/10(High readability)
License History
- Administrative Update AppliedDec 30, 2025
- License RenewedSep 17, 2022
- License IssuedAug 3, 2012
- Vanity Callsign GrantedAug 3, 2012
- Internal Correction AppliedJun 15, 2012
- Internal Correction AppliedJun 15, 2012
- Internal Correction AppliedJun 15, 2012
- License RenewedApr 18, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.