KC4JMB
Active2x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderSHEA, JOHN F
License ClassAdvanced
Min. Class RequiredTechnician
LocationWILTON, NH
Grant DateAug 15, 2026
Expiration DateAug 15, 2036
KC4JMB is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by SHEA, JOHN F in WILTON, NH. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Butler, John on Jul 28, 2026. KC4JMB has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.-. ....- .--- -- -...
CW Weight: 44 units(Heavy (slower to send))
Voice Phonetics
Kilo Charlie Four Juliet Mike Bravo
Readability: 7.5/10(High readability)
License History
- License IssuedAug 15, 2026
- Vanity Callsign GrantedAug 15, 2026
- License ExpiredMar 29, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.