W4KO
Active1x2District 4
Competitive callsign — 1 application filed with the FCC.
License HolderCRAFT, JAMES E
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationLouisville, KY
Grant DateSep 1, 2026
Expiration DateNov 4, 2036
W4KO is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by CRAFT, JAMES E in Louisville, 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 BROWNING, STEPHEN on Oct 18, 2021. W4KO has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
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CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Whiskey Four Kilo Oscar
Readability: 8.5/10(High readability)
License History
- License RenewedSep 1, 2026
- Administrative Update AppliedMar 17, 2026
- License RenewedSep 8, 2016
- Administrative Update AppliedJul 7, 2015
- License RenewedAug 8, 2006
- Administrative Update AppliedJan 7, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- BROWNING, STEPHENFiled Oct 18, 2021DismissedFCC ↗