K0EXE
Active1x3District 0
Competitive callsign — 8 applications filed with the FCC.
License HolderColonder II, John H
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationClayrton, MO
Grant DateJan 24, 2026
Expiration DateJan 24, 2036
K0EXE is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Colonder II, John H in Clayrton, MO. This callsign has attracted significant interest in the amateur radio community, with 8 vanity applications filed with the FCC. The most recent was submitted by Colonder II, John H on Jan 6, 2026. K0EXE has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----- . -..- .
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Zero Echo X-ray Echo
Readability: 7.5/10(High readability)
License History
- License IssuedJan 24, 2026
- Vanity Callsign GrantedJan 24, 2026
- License CanceledSep 30, 2022
- License IssuedMar 30, 2021
- Vanity Callsign GrantedMar 30, 2021
Vanity Application Activity
Competing applications filed with the FCC for this callsign.