Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8MAT callsign genealogy
Currently held by Warncke, Matthew 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 W8MAT's current licensee, walking backwards.
- Warncke, Matthew DMIgranted 2007-10-18cancelled 2008-09-12
Successor callsigns
Callsigns held now by people who previously held W8MAT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8MAT, oldest first.
- STEINER, GLENN W MI1996-08-05 → cancelled 2008-08-06
- Warncke, Matthew D MI2018-07-25 active