KB1NXX
Active2x3District 1
No competing applications on record.
License HolderButler, Katonio A
License ClassTechnician
Min. Class RequiredTechnician
LocationCambridge, MA
Grant DateJul 14, 2026
Expiration DateSep 15, 2036
KB1NXX is a 2x3 format amateur radio callsign. It is currently registered to Butler, Katonio A in Cambridge, MA. 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: 46 units(Heavy (slower to send))
Voice Phonetics
Kilo Bravo One November X-ray X-ray
Readability: 7/10(Good readability)
License History
- License RenewedJul 14, 2026
- Administrative Update AppliedFeb 1, 2019
- License RenewedJun 24, 2016
- Administrative Update AppliedApr 7, 2016
- System-Generated GrantSep 15, 2006
- License IssuedSep 15, 2006
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.