KD4ZWU
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderBoyd, John D
License ClassGeneral
Min. Class RequiredTechnician
LocationDecatur, TN
Grant DateJul 1, 2025
Expiration DateJul 1, 2035
KD4ZWU is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Boyd, John D in Decatur, TN. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Boyd, John H on Jun 13, 2025. KD4ZWU has 9 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.. ....- --.. .-- ..-
CW Weight: 39 units(Moderate)
Voice Phonetics
Kilo Delta Four Zulu Whiskey Uniform
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedNov 19, 2025
- License ModifiedAug 5, 2025
- Administrative Update AppliedJul 7, 2025
- License IssuedJul 1, 2025
- Vanity Callsign GrantedJul 1, 2025
- License ExpiredApr 8, 2025
- License RenewedJan 9, 2013
- License RenewedJan 10, 2003
- Tax ID (TIN) AddedJan 10, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Boyd, John HFiled Jun 13, 2025Not awardedFCC ↗