KR4JFE
Active2x3District 4
No competing applications on record.
License HolderMaldonado, Jason
License ClassGeneral
Min. Class RequiredTechnician
LocationMiami, FL
Grant DateJan 27, 2026
Expiration DateJan 27, 2036
KR4JFE is a 2x3 format amateur radio callsign. It is currently registered to Maldonado, Jason in Miami, 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: 36 units(Moderate)
Voice Phonetics
Kilo Romeo Four Juliet Foxtrot Echo
Readability: 6.5/10(Good readability)
License History
- License ModifiedJun 29, 2026
- System-Generated GrantJan 27, 2026
- License IssuedJan 27, 2026
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.