KR4JBU
Active2x3District 4
No competing applications on record.
License HolderCrosby, Dustin J
License ClassTechnician
Min. Class RequiredTechnician
LocationCharlotte, NC
Grant DateJan 22, 2026
Expiration DateJan 22, 2036
KR4JBU is a 2x3 format amateur radio callsign. It is currently registered to Crosby, Dustin J in Charlotte, NC. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.
CW & Voice Analysis
Morse Code
-.- .-. ....- .--- -... ..-
CW Weight: 40 units(Moderate)
Voice Phonetics
Kilo Romeo Four Juliet Bravo Uniform
Readability: 6/10(Good readability)
License History
- System-Generated GrantJan 22, 2026
- License IssuedJan 22, 2026
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications on record. Verify on the FCC ULS application search before filing.