KG4JAM
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderMcMahan, John A
License ClassTechnician
Min. Class RequiredTechnician
LocationConcord, NC
Grant DateJan 6, 2026
Expiration DateJan 6, 2036
KG4JAM is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by McMahan, John A in Concord, NC. 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 McMahan, John A on Dec 17, 2025. KG4JAM has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --. ....- .--- .- --
CW Weight: 41 units(Heavy (slower to send))
Voice Phonetics
Kilo Golf Four Juliet Alpha Mike
Readability: 8/10(High readability)
License History
- Vanity Callsign GrantedJan 6, 2026
- License IssuedJan 6, 2026
- License ExpiredAug 16, 2022
- License RenewedJun 4, 2010
- Administrative Update AppliedAug 26, 2006
- Administrative Update AppliedJun 16, 2004
- Administrative Update AppliedAug 15, 2002
- License IssuedAug 15, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- McMahan, John AFiled Dec 17, 2025Not awardedFCC ↗