KD0JEF
Active2x3District 0
Competitive callsign — 2 applications filed with the FCC.
License HolderDvorak, Jeffrey J
License ClassTechnician
Min. Class RequiredTechnician
LocationSaint Michael, MN
Grant DateDec 9, 2025
Expiration DateDec 9, 2035
KD0JEF is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Dvorak, Jeffrey J in Saint Michael, MN. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Dvorak, Jeffrey J on Nov 17, 2025. KD0JEF has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.. ----- .--- . ..-.
CW Weight: 44 units(Heavy (slower to send))
Voice Phonetics
Kilo Delta Zero Juliet Echo Foxtrot
Readability: 6.5/10(Good readability)
License History
- Vanity Callsign GrantedDec 9, 2025
- License IssuedDec 9, 2025
- License CanceledNov 7, 2023
- Vanity Callsign GrantedNov 20, 2021
- License IssuedNov 20, 2021
- License ExpiredOct 22, 2021
- System-Generated GrantOct 21, 2009
- License IssuedOct 21, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.