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KC3JKU

Active2x3District 3

Competitive callsign — 1 application filed with the FCC.

License HolderHarris, Scott R

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationBoulder, CO

Grant DateJun 26, 2017

Expiration DateJun 26, 2027

KC3JKU is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Harris, Scott R in Boulder, CO. 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 Bradley, James M on Jan 17, 2017. KC3JKU has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 46 units(Heavy (slower to send))

Voice Phonetics

Kilo Charlie Three Juliet Kilo Uniform

Readability: 6.5/10(Good readability)

License History

System-Generated GrantJun 26, 2017
License IssuedJun 26, 2017

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Bradley, James MFiled Jan 17, 2017
Not awardedFCC ↗

Search external databases

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Explore nearby callsigns

← KC3JKT KC3JKV →

FCC data as of Sep 4, 2026

KC3JKU FCC Vanity Status: 1 Competing Application & History