Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9MDR callsign genealogy
Currently held by Reinke, Mark 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 W9MDR's current licensee, walking backwards.
- Reinke, Mark DWIgranted 2019-04-09cancelled 2019-04-30
Successor callsigns
Callsigns held now by people who previously held W9MDR.
No current licensee on record previously held this callsign.