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K4LIU

Active1x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderWARNER, WAYNE W

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationCASTALIAN SPRINGS, TN

Grant DateFeb 6, 2017

Expiration DateMay 5, 2027

K4LIU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by WARNER, WAYNE W in CASTALIAN SPRINGS, TN. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Osborne, Larry W on Apr 17, 2007. K4LIU has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 27 units(Light (fast to send))

Voice Phonetics

Kilo Four Lima India Uniform

Readability: 7/10(Good readability)

License History

License RenewedFeb 6, 2017
License ModifiedJul 28, 2011
License IssuedMay 5, 2007
Vanity Callsign GrantedMay 5, 2007

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Osborne, Larry WFiled Apr 17, 2007
Not awardedFCC ↗
Warner, Wayne WFiled Apr 17, 2007
Not awardedFCC ↗

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FCC data as of Sep 4, 2026

K4LIU FCC Vanity Status: 2 Competing Applications & History