Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9MPM callsign genealogy
Currently held by Morrison, Michael
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 W9MPM's current licensee, walking backwards.
- Morrison, MichaelWIgranted 2025-06-04cancelled 2025-06-24
Successor callsigns
Callsigns held now by people who previously held W9MPM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9MPM, oldest first.
- MITCHELL, KENNETH P IL2005-06-06 → cancelled 2017-08-31
- Morrison, Michael WI2025-06-24 active