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KN4KAT

Active2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderHolbrook, Austin M

License ClassTechnician

Min. Class RequiredTechnician

LocationPalmetto, FL

Grant DateFeb 23, 2018

Expiration DateFeb 23, 2028

KN4KAT is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Holbrook, Austin M in Palmetto, 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 Starr, John A on Apr 9, 2026. KN4KAT has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 32 units(Moderate)

Voice Phonetics

Kilo November Four Kilo Alpha Tango

Readability: 7/10(Good readability)

License History

System-Generated GrantFeb 23, 2018
License IssuedFeb 23, 2018

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Starr, John AFiled Apr 9, 2026
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 12, 2026

KN4KAT FCC Vanity Status: 1 Competing Application & History