K4ZWO
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderTRUE, DAVID R
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationLOUISVILLE, KY
Grant DateMay 14, 2021
Expiration DateMay 14, 2031
K4ZWO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by TRUE, DAVID R in LOUISVILLE, KY. 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 TRUE, DAVID R on Apr 26, 2021. K4ZWO has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- --.. .-- ---
CW Weight: 38 units(Moderate)
Voice Phonetics
Kilo Four Zulu Whiskey Oscar
Readability: 8/10(High readability)
License History
- License IssuedMay 14, 2021
- Vanity Callsign GrantedMay 14, 2021
- License ExpiredApr 24, 2021
- Administrative Update AppliedOct 29, 2011
- Tax ID (TIN) AddedJan 23, 2009
- License RenewedJan 23, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- TRUE, DAVID RFiled Apr 26, 2021Not awardedFCC ↗