KJ4ZEF
Active2x3District 4
No competing applications on record.
License HolderUMBERGER JR, CHARLES K
License ClassGeneral
Min. Class RequiredTechnician
LocationCONCORD, NC
Grant DateSep 21, 2020
Expiration DateNov 15, 2030
KJ4ZEF is a 2x3 format amateur radio callsign. It is currently registered to UMBERGER JR, CHARLES K in CONCORD, NC. 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: 39 units(Moderate)
Voice Phonetics
Kilo Juliet Four Zulu Echo Foxtrot
Readability: 7/10(Good readability)
License History
- License RenewedSep 21, 2020
- License ModifiedJan 18, 2011
- System-Generated GrantNov 15, 2010
- License IssuedNov 15, 2010
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.