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KX4UK

Active2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderRidley, David J

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationMountain City, TN

Grant DateJul 20, 2018

Expiration DateJul 20, 2028

KX4UK is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Ridley, David J in Mountain City, TN. 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 Ridley, David J on Jul 2, 2018. KX4UK has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 34 units(Moderate)

Voice Phonetics

Kilo X-ray Four Uniform Kilo

Readability: 7.5/10(High readability)

License History

Administrative Update AppliedSep 26, 2023
Administrative Update AppliedFeb 23, 2021
Administrative Update AppliedOct 15, 2020
License IssuedJul 20, 2018
Vanity Callsign GrantedJul 20, 2018

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Ridley, David JFiled Jul 2, 2018
Not awardedFCC ↗

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FCC data as of Sep 12, 2026

KX4UK FCC Vanity Status: 1 Competing Application & History