K4ZJJ
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderDEMARKLES, JOSH R
License ClassTechnician
Min. Class RequiredGeneral
LocationPOMONA, CA
Grant DateJul 8, 2025
Expiration DateJul 8, 2035
K4ZJJ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by DEMARKLES, JOSH R in POMONA, CA. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Johnson, Zachary on Jun 20, 2025. K4ZJJ has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- --.. .--- .---
CW Weight: 42 units(Heavy (slower to send))
Voice Phonetics
Kilo Four Zulu Juliet Juliet
Readability: 7/10(Good readability)
License History
- License IssuedJul 8, 2025
- Vanity Callsign GrantedJul 8, 2025
- License CanceledJul 21, 2014
- Vanity Callsign GrantedDec 13, 2013
- License IssuedDec 13, 2013
Vanity Application Activity
Competing applications filed with the FCC for this callsign.