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KR4DUR

Active2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderSmith, RB

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationCoronado, CA

Grant DateMay 9, 2025

Expiration DateMay 9, 2035

KR4DUR is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Smith, RB in Coronado, 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 Central Carolina Digital Group on Jun 9, 2009. KR4DUR has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 34 units(Moderate)

Voice Phonetics

Kilo Romeo Four Delta Uniform Romeo

Readability: 6/10(Good readability)

License History

System-Generated GrantMay 9, 2025
License IssuedMay 9, 2025

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Central Carolina Digital GroupFiled Jun 9, 2009
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KR4DUQ KR4DUS →

FCC data as of Sep 4, 2026

KR4DUR FCC Vanity Status: 1 Competing Application & History