KM4JMR
Available2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderShafferman, John D
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationGrafton, WV
Grant DateApr 6, 2015
Expiration DateApr 6, 2025
Cancellation DateApr 24, 2015
Available for ApplicationsApr 25, 2017
KM4JMR is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Shafferman, John D in Grafton, 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 MAYORGA, JOEL on Mar 30, 2026. KM4JMR has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -- ....- .--- -- .-.
CW Weight: 41 units(Heavy (slower to send))
Voice Phonetics
Kilo Mike Four Juliet Mike Romeo
Readability: 7.5/10(High readability)
This callsign is available now
Requires Technician license or higher to apply for this callsign format (2x3).
License History
- License CanceledApr 24, 2015
- System-Generated GrantApr 6, 2015
- License IssuedApr 6, 2015
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- MAYORGA, JOELFiled Mar 30, 2026Not awardedFCC ↗