KW4UO
Active2x2District 4
No competing applications on record.
License HolderSIANO, CHRISTOPHER J
License ClassTechnician
Min. Class RequiredGeneral
LocationBolton, MA
Grant DateFeb 25, 2026
Expiration DateMay 20, 2036
KW4UO is a 2x2 format amateur radio callsign. It is currently registered to SIANO, CHRISTOPHER J in Bolton, 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: 35 units(Moderate)
Voice Phonetics
Kilo Whiskey Four Uniform Oscar
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedFeb 25, 2026
- License RenewedFeb 25, 2026
- System-Generated GrantMay 20, 2016
- License IssuedMay 20, 2016
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.