KB1MZU
Active2x3District 1
No competing applications on record.
License HolderO'Brien, Patrick A
License ClassTechnician
Min. Class RequiredTechnician
LocationWest Springfield, MA
Grant DateDec 23, 2025
Expiration DateJan 17, 2036
KB1MZU is a 2x3 format amateur radio callsign. It is currently registered to O'Brien, Patrick A in West Springfield, 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: 45 units(Heavy (slower to send))
Voice Phonetics
Kilo Bravo One Mike Zulu Uniform
Readability: 7.5/10(High readability)
License History
- License RenewedDec 23, 2025
- License RenewedJan 8, 2016
- System-Generated GrantJan 17, 2006
- License IssuedJan 17, 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.