Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1MPM callsign genealogy
Currently held by Maria, Marc P
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 W1MPM's current licensee, walking backwards.
- Maria, Marc PRIgranted 2009-12-29cancelled 2010-01-20
Successor callsigns
Callsigns held now by people who previously held W1MPM.
No current licensee on record previously held this callsign.