KR4FQJ
Active2x3District 4
No competing applications on record.
License HolderHeinlein, Jonathan J
License ClassTechnician
Min. Class RequiredTechnician
LocationOakton, VA
Grant DateJul 30, 2025
Expiration DateJul 30, 2035
KR4FQJ is a 2x3 format amateur radio callsign. It is currently registered to Heinlein, Jonathan J in Oakton, VA. 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 Romeo Four Foxtrot Quebec Juliet
Readability: 6.5/10(Good readability)
License History
- System-Generated GrantJul 30, 2025
- License IssuedJul 30, 2025
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.