KR4MKM
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderCutler Jr, John S
License ClassTechnician
Min. Class RequiredTechnician
LocationGreenfield, IN
Grant DateMay 21, 2026
Expiration DateMay 21, 2036
KR4MKM is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Cutler Jr, John S in Greenfield, IN. 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 Martin, Michael K on Oct 24, 2003. KR4MKM has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .-. ....- -- -.- --
CW Weight: 38 units(Moderate)
Voice Phonetics
Kilo Romeo Four Mike Kilo Mike
Readability: 8/10(High readability)
License History
- System-Generated GrantMay 21, 2026
- License IssuedMay 21, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Martin, Michael KFiled Oct 24, 2003Not awardedFCC ↗