Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9YGM callsign genealogy
Currently held by SCHMELZER, DONALD W
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 W9YGM's current licensee, walking backwards.
- Schmelzer, Michael PMNgranted 2016-05-31cancelled 2016-11-22
Successor callsigns
Callsigns held now by people who previously held W9YGM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9YGM, oldest first.
- SCHMELZER, DONALD W IL2014-01-03 → cancelled 2015-01-08
- Schmelzer, Mike P MN2026-09-02 active