KF4JFU
Active2x3District 4
No competing applications on record.
License HolderHIRSCH, William R
License ClassGeneral
Min. Class RequiredTechnician
LocationBoca Raton, FL
Grant DateApr 4, 2026
Expiration DateMay 2, 2036
KF4JFU is a 2x3 format amateur radio callsign. It is currently registered to HIRSCH, William R in Boca Raton, FL. 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: 41 units(Heavy (slower to send))
Voice Phonetics
Kilo Foxtrot Four Juliet Foxtrot Uniform
Readability: 6.5/10(Good readability)
License History
- License RenewedApr 4, 2026
- Administrative Update AppliedAug 9, 2018
- Administrative Update AppliedAug 18, 2017
- License RenewedMar 2, 2016
- License ModifiedOct 5, 2015
- Administrative Update AppliedFeb 7, 2015
- Administrative Update AppliedMay 12, 2010
- License RenewedFeb 3, 2006
- Tax ID (TIN) AddedJan 30, 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.