K5OZK
Active1x3District 5
Competitive callsign — 2 applications filed with the FCC.
License HolderRIDDLE, DAVID R
License ClassP
Min. Class RequiredGeneral
LocationLOUISVILLE, KY
Grant DateMay 4, 2020
Expiration DateMay 5, 2030
K5OZK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by RIDDLE, DAVID R in LOUISVILLE, KY. 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 BOEHM, RONDA K on Apr 17, 2000. K5OZK has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..... --- --.. -.-
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo Five Oscar Zulu Kilo
Readability: 8/10(High readability)
License History
- License ModifiedMar 12, 2026
- License RenewedMay 4, 2020
- License ModifiedMay 14, 2013
- License RenewedMar 27, 2010
- License ModifiedJan 29, 2008
- License ModifiedDec 7, 2001
- License IssuedMay 5, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.