Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9MMM callsign genealogy
Currently held by Statzer, Darrell E
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 W9MMM's current licensee, walking backwards.
- STILLWATER, MICHAEL LMIgranted 2019-03-13cancelled 2019-04-09
Successor callsigns
Callsigns held now by people who previously held W9MMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9MMM, oldest first.
- Statzer, Darrell E IL2006-08-23 → cancelled 2018-11-20
- STILLWATER, MICHAEL L MI2019-04-09 active