KR4DUU
Active2x3District 4
No competing applications on record.
License HolderRiley, John
License ClassGeneral
Min. Class RequiredTechnician
LocationSterling, VA
Grant DateMay 9, 2025
Expiration DateMay 9, 2035
KR4DUU is a 2x3 format amateur radio callsign. It is currently registered to Riley, John in Sterling, VA. 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: 34 units(Moderate)
Voice Phonetics
Kilo Romeo Four Delta Uniform Uniform
Readability: 6/10(Good readability)
License History
- License ModifiedJun 2, 2025
- System-Generated GrantMay 9, 2025
- License IssuedMay 9, 2025
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.