W4JMB
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderButterworth, Joseph M
License ClassGeneral
Min. Class RequiredGeneral
LocationMacon, GA
Grant DateMar 10, 2023
Expiration DateMay 10, 2033
W4JMB is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Butterworth, Joseph M in Macon, GA. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Burns, Jason M on Jun 21, 2018. W4JMB has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
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CW Weight: 36 units(Moderate)
Voice Phonetics
Whiskey Four Juliet Mike Bravo
Readability: 8/10(High readability)
License History
- Administrative Update AppliedFeb 6, 2026
- License RenewedMar 10, 2023
- License IssuedMay 10, 2013
- Vanity Callsign GrantedMay 10, 2013
- License ExpiredApr 2, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.