CFCallsignFinder

Search Watchlist

Track FCC amateur radio vanity callsign availability. Data updated daily.

Legal & Info

Pricing FAQ Terms of Service Privacy Policy

© 2026 CallsignFinder. All rights reserved.

FCC data sourced from FCC Universal Licensing System. Not affiliated with the FCC.

Watchlist Search Account

Home/Search/K4JKK

← Back to results

K4JKK

Active1x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderTanner, John M

License ClassTechnician

Min. Class RequiredGeneral

LocationAlpharetta, GA

Grant DateAug 30, 2022

Expiration DateAug 30, 2032

K4JKK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Tanner, John M in Alpharetta, GA. 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 Kadegis, Jonathan K on Aug 10, 2022. K4JKK has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

-.- ....- .--- -.- -.-

CW Weight: 38 units(Moderate)

Voice Phonetics

Kilo Four Juliet Kilo Kilo

Readability: 7.5/10(High readability)

License History

License ModifiedSep 13, 2023
License IssuedAug 30, 2022
Vanity Callsign GrantedAug 30, 2022

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Kadegis, Jonathan KFiled Aug 10, 2022
Not awardedFCC ↗
Ford, Arthur CFiled Feb 24, 2017
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K4JKJ K4JKL →

FCC data as of Sep 4, 2026

K4JKK FCC Vanity Status: 2 Competing Applications & History