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KC4JA

Active2x2District 4

Competitive callsign — 3 applications filed with the FCC.

License HolderARNOLD, JONATHAN D

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationLOUISVILLE, KY

Grant DateMay 12, 2026

Expiration DateMay 12, 2036

KC4JA is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by ARNOLD, JONATHAN D in LOUISVILLE, KY. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by ARNOLD, JONATHAN D on Apr 23, 2026. KC4JA has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

-.- -.-. ....- .--- .-

CW Weight: 36 units(Moderate)

Voice Phonetics

Kilo Charlie Four Juliet Alpha

Readability: 7.5/10(High readability)

License History

License IssuedMay 12, 2026
Vanity Callsign GrantedMay 12, 2026
License ExpiredMar 28, 2007

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

ARNOLD, JONATHAN DFiled Apr 23, 2026
Not awardedFCC ↗
NAZARIO, JONATHANFiled Oct 13, 2020
DismissedFCC ↗
RODRIGUEZ, JOSE AFiled Sep 19, 2007
Not awardedFCC ↗

Search external databases

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Explore nearby callsigns

← KC4IY KC4JB →

FCC data as of Sep 15, 2026

KC4JA FCC Vanity Status: 3 Competing Applications & History