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KO4UK

Active2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderCureton, Steven L

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationOak Ridge, TN

Grant DateFeb 21, 2020

Expiration DateFeb 21, 2030

KO4UK is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Cureton, Steven L in Oak Ridge, 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 Cureton, Steven L on Feb 3, 2020. KO4UK has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 35 units(Moderate)

Voice Phonetics

Kilo Oscar Four Uniform Kilo

Readability: 7.5/10(High readability)

License History

Administrative Update AppliedJun 7, 2024
License IssuedFeb 21, 2020
Vanity Callsign GrantedFeb 21, 2020
License ExpiredApr 1, 2004

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Cureton, Steven LFiled Feb 3, 2020
Not awardedFCC ↗

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FCC data as of Jul 10, 2026

KO4UK FCC Vanity Status: 1 Competing Application & History