KO4I
Active2x1District 4
Competitive callsign — 10 applications filed with the FCC.
License HolderSkala, Tyler M
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationBardstown, KY
Grant DateJul 11, 2025
Expiration DateJul 11, 2035
KO4I is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Skala, Tyler M in Bardstown, KY. This callsign has attracted significant interest in the amateur radio community, with 10 vanity applications filed with the FCC. The most recent was submitted by SHEPPARD, RYAN on Jun 25, 2025. KO4I has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --- ....- ..
CW Weight: 25 units(Light (fast to send))
Voice Phonetics
Kilo Oscar Four India
Readability: 8/10(High readability)
License History
- Vanity Callsign GrantedJul 11, 2025
- License IssuedJul 11, 2025
- License CanceledJun 22, 2023
- License IssuedAug 12, 2022
- Vanity Callsign GrantedAug 12, 2022
- License ExpiredJul 26, 2022
- License RenewedApr 27, 2010
- Administrative Update AppliedDec 1, 2007
- License RenewedApr 28, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.