Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9MCS callsign genealogy
Currently held by DRESSLER, LE ROY 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 W9MCS's current licensee, walking backwards.
- Schrader, Michael CMIgranted 2015-01-22cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held W9MCS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9MCS, oldest first.
- DRESSLER, LE ROY W IL1994-05-17 → cancelled 2006-05-18
- Serapin, Michael C IL2006-07-25 → cancelled 2018-07-26
- Schrader, Michael C MI2019-02-20 active