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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.

BOEHM, RONDA KFiled Apr 17, 2000
Not awardedFCC ↗
Ozark Amateur Radio ClubFiled Apr 17, 2000
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

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← K5OZF K5OZM →

FCC data as of Sep 4, 2026

K5OZK FCC Vanity Status: 2 Competing Applications & History