K4JAM
Active1x3District 4
Competitive callsign — 9 applications filed with the FCC.
License HolderJOYNER, MARSHALL D
License ClassGeneral
Min. Class RequiredGeneral
LocationKINGSPORT, TN
Grant DateDec 28, 2016
Expiration DateMar 2, 2027
K4JAM is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by JOYNER, MARSHALL D in KINGSPORT, TN. This callsign has attracted significant interest in the amateur radio community, with 9 vanity applications filed with the FCC. The most recent was submitted by clark, randall S on Aug 18, 2025. K4JAM has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .--- .- --
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Four Juliet Alpha Mike
Readability: 8/10(High readability)
License History
- Administrative Update AppliedJan 4, 2017
- License RenewedDec 28, 2016
- Administrative Update AppliedSep 27, 2011
- Administrative Update AppliedNov 27, 2007
- Vanity Callsign GrantedMar 2, 2007
- License IssuedMar 2, 2007
- License ExpiredFeb 9, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.