K4JKW
Active1x3District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderCOLLISTER, WILLIAM A
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationDEADWOOD, SD
Grant DateMar 24, 2017
Expiration DateMar 24, 2027
K4JKW is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by COLLISTER, WILLIAM A in DEADWOOD, SD. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Kandziorski JR, Thomas B on Jun 2, 2025. K4JKW has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .--- -.- .--
CW Weight: 38 units(Moderate)
Voice Phonetics
Kilo Four Juliet Kilo Whiskey
Readability: 7.5/10(High readability)
License History
- License ModifiedMar 28, 2017
- License IssuedMar 24, 2017
- Vanity Callsign GrantedMar 24, 2017
Vanity Application Activity
Competing applications filed with the FCC for this callsign.