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KY4XX

Active2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderShackapulco DX & Contest Club

Min. Class RequiredGeneral

LocationCrestwood, KY

Grant DateMay 14, 2026

Expiration DateNov 22, 2034

KY4XX is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by Shackapulco DX & Contest Club in Crestwood, KY. 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 Kentucky DX Association on Nov 4, 2014. KY4XX has 7 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 40 units(Moderate)

Voice Phonetics

Kilo Yankee Four X-ray X-ray

Readability: 8/10(High readability)

License History

License RenewedMay 14, 2026
License ModifiedApr 4, 2018
Administrative Update AppliedJan 11, 2016
FRN Re-association Letter SentJan 5, 2016
FRN Re-association Letter SentJan 5, 2016
License IssuedNov 22, 2014
Vanity Callsign GrantedNov 22, 2014

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Kentucky DX AssociationFiled Nov 4, 2014
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 12, 2026

KY4XX FCC Vanity Status: 1 Competing Application & History