K4JMR
Active1x3District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderRay, Jeff
License ClassTechnician
Min. Class RequiredGeneral
LocationGreenback, TN
Grant DateAug 12, 2026
Expiration DateAug 12, 2036
K4JMR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Ray, Jeff in Greenback, TN. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Ray, Jeff M on Jul 25, 2016. K4JMR has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .--- -- .-.
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo Four Juliet Mike Romeo
Readability: 7.5/10(High readability)
License History
- License RenewedAug 12, 2026
- Administrative Update AppliedOct 4, 2023
- License IssuedAug 12, 2016
- Vanity Callsign GrantedAug 12, 2016
- License CanceledJul 22, 2014
- License IssuedMar 4, 2014
- Vanity Callsign GrantedMar 4, 2014
- License ExpiredAug 28, 2013
- License RenewedJun 1, 2001
Vanity Application Activity
Competing applications filed with the FCC for this callsign.