KR4BYO
Active2x3District 4
No competing applications on record.
License HolderWilliams, Carroll L
License ClassGeneral
Min. Class RequiredTechnician
LocationColumbia, SC
Grant DateMar 5, 2025
Expiration DateMar 5, 2035
KR4BYO is a 2x3 format amateur radio callsign. It is currently registered to Williams, Carroll L in Columbia, SC. 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: 44 units(Heavy (slower to send))
Voice Phonetics
Kilo Romeo Four Bravo Yankee Oscar
Readability: 7/10(Good readability)
License History
- License ModifiedApr 15, 2025
- Administrative Update AppliedMar 14, 2025
- System-Generated GrantMar 5, 2025
- License IssuedMar 5, 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.