K4JAK
Active1x3District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderThornburg, Jack A
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationFORT PIERCE, FL
Grant DateJan 30, 2019
Expiration DateMar 27, 2029
K4JAK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Thornburg, Jack A in FORT PIERCE, FL. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Reilly, Andrew on Aug 1, 2024. K4JAK has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .--- .- -.-
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo Four Juliet Alpha Kilo
Readability: 7.5/10(High readability)
License History
- License RenewedJan 30, 2019
- License ModifiedJul 1, 2010
- License IssuedMar 27, 2009
- Vanity Callsign GrantedMar 27, 2009
- License ExpiredFeb 5, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.