KR4GBR
Active2x3District 4
No competing applications on record.
License HolderBOYLE, JOHN D
License ClassTechnician
Min. Class RequiredTechnician
LocationPALO ALTO, CA
Grant DateAug 14, 2025
Expiration DateAug 14, 2035
KR4GBR is a 2x3 format amateur radio callsign. It is currently registered to BOYLE, JOHN D in PALO ALTO, CA. 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: 37 units(Moderate)
Voice Phonetics
Kilo Romeo Four Golf Bravo Romeo
Readability: 7/10(Good readability)
License History
- License ModifiedAug 12, 2026
- System-Generated GrantAug 14, 2025
- License IssuedAug 14, 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.