Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4JDX callsign genealogy
Currently held by Schulteis, Jerome D
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 W4JDX's current licensee, walking backwards.
- Schulteis, Jerome DWIgranted 2022-01-10cancelled 2022-02-05
Successor callsigns
Callsigns held now by people who previously held W4JDX.
- Dukes, JoeFLgranted 2019-09-13
All historical holders
Every license row we've seen with the callsign W4JDX, oldest first.
- Dukes, Joe FL2015-05-08 → cancelled 2019-09-13
- Schulteis, Jerome D WI2022-02-05 active