KR6M
Active2x1District 6
Competitive callsign — 1 application filed with the FCC.
License HolderPolkinghorn, Michael D
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationSanta Rosa, CA
Grant DateMay 29, 2026
Expiration DateMay 29, 2036
KR6M is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by Polkinghorn, Michael D in Santa Rosa, CA. 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 Polkinghorn, Michael D on May 11, 2026. KR6M has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-. -.... --
CW Weight: 25 units(Light (fast to send))
Voice Phonetics
Kilo Romeo Six Mike
Readability: 8.5/10(High readability)
License History
- Vanity Callsign GrantedMay 29, 2026
- License IssuedMay 29, 2026
- License ExpiredMay 12, 2026
- License RenewedFeb 19, 2014
- License RenewedFeb 14, 2004
- License RenewedFeb 14, 2004
- Administrative Update AppliedFeb 6, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Polkinghorn, Michael DFiled May 11, 2026Not awardedFCC ↗