KR4FRQ
Active2x3District 4
No competing applications on record.
License HolderDuvall, Sean P
License ClassTechnician
Min. Class RequiredTechnician
LocationManassas, VA
Grant DateAug 1, 2025
Expiration DateAug 1, 2035
KR4FRQ is a 2x3 format amateur radio callsign. It is currently registered to Duvall, Sean P in Manassas, 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: 40 units(Moderate)
Voice Phonetics
Kilo Romeo Four Foxtrot Romeo Quebec
Readability: 6.5/10(Good readability)
License History
- System-Generated GrantAug 1, 2025
- License IssuedAug 1, 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.