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KR4KOW

Active2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderSokolowski, Michal

License ClassGeneral

Min. Class RequiredTechnician

LocationChantilly, VA

Grant DateFeb 19, 2025

Expiration DateFeb 19, 2035

KR4KOW is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Sokolowski, Michal in Chantilly, VA. 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 Sokolowski, Michal on Jan 31, 2025. KR4KOW has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 42 units(Heavy (slower to send))

Voice Phonetics

Kilo Romeo Four Kilo Oscar Whiskey

Readability: 7/10(Good readability)

License History

License IssuedFeb 19, 2025
Vanity Callsign GrantedFeb 19, 2025

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Sokolowski, MichalFiled Jan 31, 2025
Not awardedFCC ↗

Search external databases

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← KR4KOV KR4KOX →

FCC data as of Sep 5, 2026

KR4KOW FCC Vanity Status: 1 Competing Application & History