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K4UWU

Active1x3District 4

Competitive callsign — 3 applications filed with the FCC.

License HolderAdams, Mallory

License ClassGeneral

Min. Class RequiredGeneral

LocationDecatur, GA

Grant DateMar 11, 2025

Expiration DateMar 11, 2035

K4UWU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Adams, Mallory in Decatur, GA. 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 Adams, Mallory on Feb 19, 2025. K4UWU has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 31 units(Moderate)

Voice Phonetics

Kilo Four Uniform Whiskey Uniform

Readability: 7/10(Good readability)

License History

License IssuedMar 11, 2025
Vanity Callsign GrantedMar 11, 2025

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Adams, MalloryFiled Feb 19, 2025
Not awardedFCC ↗
Shen, JiahaoFiled Aug 5, 2021
Not awardedFCC ↗
HYARCFiled Mar 10, 2021
Not awardedFCC ↗

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FCC data as of Sep 4, 2026

K4UWU FCC Vanity Status: 3 Competing Applications & History