KB4RTS
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderBoutte, Ron J
License ClassP
Min. Class RequiredTechnician
LocationRedwood City, CA
Grant DateMar 17, 2026
Expiration DateApr 9, 2036
KB4RTS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Boutte, Ron J in Redwood City, CA. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by CHORAZAK, JOHN M on Sep 22, 2015. KB4RTS has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -... ....- .-. - ...
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Bravo Four Romeo Tango Sierra
Readability: 6.5/10(Good readability)
License History
- License RenewedMar 17, 2026
- License RenewedMar 31, 2016
- License RenewedMar 28, 2006
- Tax ID (TIN) AddedJan 17, 2006
- License ModifiedJan 17, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- CHORAZAK, JOHN MFiled Sep 22, 2015DismissedFCC ↗