Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4ESJ callsign genealogy
Currently held by Episcopal School Of Jacksonville Amateur Radio Club
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KD4ESJ's current licensee, walking backwards.
- KR4OAGcancelledEpiscopal School Of Jacksonville Amateur Radio ClubFLgranted 2026-07-31cancelled 2026-08-18
Successor callsigns
Callsigns held now by people who previously held KD4ESJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4ESJ, oldest first.
- HASHA, LYNN H AL2012-08-14 → cancelled 2024-08-15
- Episcopal School Of Jacksonville Amateur Radio Club FL2026-08-18 active