Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4MDM callsign genealogy
Currently held by HINDS, THOMAS 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 KD4MDM's current licensee, walking backwards.
- MASHBURN, MELTON DKYgranted 2021-02-12cancelled 2021-03-09
Successor callsigns
Callsigns held now by people who previously held KD4MDM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4MDM, oldest first.
- HINDS, THOMAS M NC1992-03-31 → cancelled 2004-04-01
- mashburn, melton D KY2021-03-09 active