Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3MPT callsign genealogy
Currently held by Toner, Michael 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 W3MPT's current licensee, walking backwards.
- Toner, Michael PPAgranted 2010-10-13cancelled 2019-04-23
Successor callsigns
Callsigns held now by people who previously held W3MPT.
No current licensee on record previously held this callsign.