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, 2009Not awardedFCC ↗