KB4UBM
Active2x3District 4
No competing applications on record.
License HolderBielefeld, John E
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationLittleton, MA
Grant DateJan 5, 2021
Expiration DateFeb 5, 2031
KB4UBM is a 2x3 format amateur radio callsign. It is currently registered to Bielefeld, John E in Littleton, 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: 37 units(Moderate)
Voice Phonetics
Kilo Bravo Four Uniform Bravo Mike
Readability: 7.5/10(High readability)
License History
- License RenewedJan 5, 2021
- Administrative Update AppliedJun 26, 2013
- License RenewedDec 7, 2010
- License RenewedNov 22, 2000
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.