KC4SJU
Active2x3District 4
No competing applications on record.
License HolderKuzma, William
License ClassGeneral
Min. Class RequiredTechnician
LocationAibonito, PR
Grant DateJun 27, 2020
Expiration DateAug 7, 2030
KC4SJU is a 2x3 format amateur radio callsign. It is currently registered to Kuzma, William in Aibonito, PR. 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: 40 units(Moderate)
Voice Phonetics
Kilo Charlie Four Sierra Juliet Uniform
Readability: 6/10(Good readability)
License History
- Administrative Update AppliedApr 30, 2026
- License RenewedJun 27, 2020
- License RenewedJun 8, 2010
- License ModifiedMar 5, 2007
- License RenewedMay 16, 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.