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KO4FDF

Active2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderKarl, Justin O

License ClassTechnician

Min. Class RequiredTechnician

LocationTitusville, FL

Grant DateJul 7, 2020

Expiration DateJul 7, 2030

KO4FDF is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Karl, Justin O in Titusville, FL. 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 FREEMAN, FRED D on May 11, 2020. KO4FDF has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 40 units(Moderate)

Voice Phonetics

Kilo Oscar Four Foxtrot Delta Foxtrot

Readability: 7.5/10(High readability)

License History

System-Generated GrantJul 7, 2020
License IssuedJul 7, 2020

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

FREEMAN, FRED DFiled May 11, 2020
Not awardedFCC ↗

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FCC data as of Sep 3, 2026

KO4FDF FCC Vanity Status: 1 Competing Application & History