K8CAO
Active1x3District 8
Competitive callsign — 2 applications filed with the FCC.
License HolderOsborne, Chris
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationHillsboro, OH
Grant DateMay 8, 2021
Expiration DateMay 8, 2031
K8CAO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Osborne, Chris in Hillsboro, OH. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Gummere, Gregory R on Mar 2, 2026. K8CAO has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ---.. -.-. .- ---
CW Weight: 39 units(Moderate)
Voice Phonetics
Kilo Eight Charlie Alpha Oscar
Readability: 8/10(High readability)
License History
- License ModifiedMay 10, 2021
- License IssuedMay 8, 2021
- Vanity Callsign GrantedMay 8, 2021
Vanity Application Activity
Competing applications filed with the FCC for this callsign.