KD3DEF
Active2x3District 3
No competing applications on record.
License HolderDavis Jr, Jon L
License ClassAmateur Extra
Min. Class RequiredTechnician
LocationPrince Frederick, MD
Grant DateMay 8, 2026
Expiration DateMay 8, 2036
KD3DEF is a 2x3 format amateur radio callsign. It is currently registered to Davis Jr, Jon L in Prince Frederick, MD. 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: 33 units(Moderate)
Voice Phonetics
Kilo Delta Three Delta Echo Foxtrot
Readability: 7.5/10(High readability)
License History
- License ModifiedJun 8, 2026
- System-Generated GrantMay 8, 2026
- License IssuedMay 8, 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.