W4JDK
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderWELLER, HARRY F
License ClassGeneral
Min. Class RequiredGeneral
LocationREADING, OH
Grant DateJul 17, 2026
Expiration DateSep 26, 2036
W4JDK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by WELLER, HARRY F in READING, OH. 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 KOROPOULIS, JEFFREY D on Mar 26, 2018. W4JDK 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 Delta Kilo
Readability: 7.5/10(High readability)
License History
- License RenewedJul 17, 2026
- License RenewedAug 2, 2016
- Administrative Update AppliedApr 24, 2012
- Administrative Update AppliedNov 18, 2006
- Vanity Callsign GrantedSep 26, 2006
- License IssuedSep 26, 2006
- License ExpiredJun 1, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.