KC8COS
Active2x3District 8
Competitive callsign — 1 application filed with the FCC.
License HolderStewart, Christopher O
License ClassTechnician
Min. Class RequiredTechnician
LocationFRANKFORD, WV
Grant DateJan 9, 2026
Expiration DateJan 9, 2036
KC8COS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Stewart, Christopher O in FRANKFORD, WV. 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 Stewart, Christopher O on Dec 22, 2025. KC8COS has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.-. ---.. -.-. --- ...
CW Weight: 46 units(Heavy (slower to send))
Voice Phonetics
Kilo Charlie Eight Charlie Oscar Sierra
Readability: 7/10(Good readability)
License History
- License IssuedJan 9, 2026
- Vanity Callsign GrantedJan 9, 2026
- License ExpiredMar 2, 2018
- License ModifiedJul 2, 2007
- Tax ID (TIN) AddedJan 30, 2006
- License RenewedJan 30, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Stewart, Christopher OFiled Dec 22, 2025Not awardedFCC ↗