W4JKU
Active1x3District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderSHELDON SR, JOSEPH M
License ClassGeneral
Min. Class RequiredGeneral
LocationMOORESVILLE, NC
Grant DateFeb 11, 2022
Expiration DateFeb 11, 2032
W4JKU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SHELDON SR, JOSEPH M in MOORESVILLE, NC. 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 ANDERS, MATTHEW S on Dec 3, 2025. W4JKU has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
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CW Weight: 36 units(Moderate)
Voice Phonetics
Whiskey Four Juliet Kilo Uniform
Readability: 7/10(Good readability)
License History
- Vanity Callsign GrantedFeb 11, 2022
- License IssuedFeb 11, 2022
- License ExpiredJun 3, 2021
- License ModifiedMay 15, 2013
- Administrative Update AppliedFeb 24, 2012
- License IssuedJun 2, 2009
- Vanity Callsign GrantedJun 2, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.