Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9MW callsign genealogy
Currently held by SCHMAHL, PHILLIP N
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 W9MW's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W9MW.
- WOOD, MICHAEL RTXgranted 2020-10-06cancelled 2022-02-05
All historical holders
Every license row we've seen with the callsign W9MW, oldest first.
- Johnson, Ernest H IL2006-11-28 → cancelled 2019-02-21
- WOOD, MICHAEL R TX2019-03-12 → cancelled 2020-10-06
- SCHMAHL, PHILLIP N WI2022-12-02 active