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KB4BWU

Active2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderRico, Antonio

License ClassTechnician

Min. Class RequiredTechnician

LocationChula Vista, CA

Grant DateDec 22, 2017

Expiration DateDec 22, 2027

KB4BWU is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Rico, Antonio in Chula Vista, CA. 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 Rico, Antonio on Dec 4, 2017. KB4BWU has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 38 units(Moderate)

Voice Phonetics

Kilo Bravo Four Bravo Whiskey Uniform

Readability: 7/10(Good readability)

License History

License IssuedDec 22, 2017
Vanity Callsign GrantedDec 22, 2017

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Rico, AntonioFiled Dec 4, 2017
Not awardedFCC ↗

Search external databases

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← KB4BWR KB4BWW →

FCC data as of Jul 9, 2026

KB4BWU FCC Vanity Status: 1 Competing Application & History