Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DH callsign genealogy
Currently held by TURNER JR, J 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 K4DH's current licensee, walking backwards.
- Speas, Heather WNJgranted 2021-03-23cancelled 2023-06-09
Successor callsigns
Callsigns held now by people who previously held K4DH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DH, oldest first.
- TURNER JR, J D NC2016-12-07 → cancelled 2021-05-21
- Speas, Heather W TN2023-06-09 active