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, 2014Not awardedFCC ↗