Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8MDH callsign genealogy
Currently held by HILL, MARION 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 W8MDH's current licensee, walking backwards.
- HILL, MICHAEL DTXgranted 2017-07-20cancelled 2018-03-24
Successor callsigns
Callsigns held now by people who previously held W8MDH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8MDH, oldest first.
- HILL, MARION D OH1999-04-29 → cancelled 2011-04-30
- HILL, MICHAEL D TX2018-03-24 active