KO4M
Active2x1District 4
Competitive callsign — 11 applications filed with the FCC.
License HolderKOPECKY, MATTHEW
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationCALVERT CITY, KY
Grant DateFeb 27, 2026
Expiration DateFeb 27, 2036
KO4M is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by KOPECKY, MATTHEW in CALVERT CITY, KY. This callsign has attracted significant interest in the amateur radio community, with 11 vanity applications filed with the FCC. The most recent was submitted by Jones, Carl G on Mar 6, 2026. KO4M has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --- ....- --
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Kilo Oscar Four Mike
Readability: 9/10(Excellent readability)
License History
- License IssuedFeb 27, 2026
- Vanity Callsign GrantedFeb 27, 2026
- Internal Correction AppliedJan 7, 2026
- Internal Correction AppliedJan 7, 2026
- License RenewedOct 26, 2015
- Administrative Update AppliedSep 7, 2007
- Tax ID (TIN) AddedAug 31, 2005
- License RenewedAug 31, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.