Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD4HMD callsign genealogy
Currently held by Dunsford, Heather M
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 KD4HMD's current licensee, walking backwards.
- Dunsford, Heather MTNgranted 2024-05-15cancelled 2024-06-08
Successor callsigns
Callsigns held now by people who previously held KD4HMD.
- Simmons, Ronny DGAgranted 2023-01-04cancelled 2023-02-07
All historical holders
Every license row we've seen with the callsign KD4HMD, oldest first.
- Simmons, Ronny D TX1991-12-03 → cancelled 2001-03-07
- Dunsford, Heather M TN2024-06-08 active