KD4ESJ
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderEpiscopal School Of Jacksonville Amateur Radio Club
Min. Class RequiredTechnician
LocationJacksonville, FL
Grant DateAug 18, 2026
Expiration DateAug 18, 2036
KD4ESJ is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Episcopal School Of Jacksonville Amateur Radio Club in Jacksonville, FL. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Episcopal School Of Jacksonville Amateur Radio Club on Jul 31, 2026. KD4ESJ has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.. ....- . ... .---
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Delta Four Echo Sierra Juliet
Readability: 6.5/10(Good readability)
License History
- License IssuedAug 18, 2026
- Vanity Callsign GrantedAug 18, 2026
- License ExpiredAug 15, 2024
- License RenewedAug 14, 2012
- Administrative Update AppliedApr 9, 2002
- License RenewedMar 15, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Episcopal School Of Jacksonville Amateur Radio ClubFiled Jul 31, 2026Not awardedFCC ↗