K4JYK
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderPollock, Charles F
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationMadison, WI
Grant DateJul 11, 2026
Expiration DateJul 11, 2036
K4JYK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Pollock, Charles F in Madison, WI. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Pollock, Charles F on Jun 23, 2026. K4JYK has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .--- -.-- -.-
CW Weight: 41 units(Heavy (slower to send))
Voice Phonetics
Kilo Four Juliet Yankee Kilo
Readability: 7.5/10(High readability)
License History
- License IssuedJul 11, 2026
- Vanity Callsign GrantedJul 11, 2026
- License ExpiredSep 7, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.