KR4GZF
Active2x3District 4
No competing applications on record.
License HolderHEINLEIN, JONATHAN J
License ClassTechnician
Min. Class RequiredTechnician
LocationOAKTON, VA
Grant DateOct 1, 2025
Expiration DateOct 1, 2035
KR4GZF 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: 40 units(Moderate)
Voice Phonetics
Kilo Romeo Four Golf Zulu Foxtrot
Readability: 7.5/10(High readability)
License History
- System-Generated GrantOct 1, 2025
- License IssuedOct 1, 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.