Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1MFP callsign genealogy
Currently held by Pearson, Michael F
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 W1MFP's current licensee, walking backwards.
- Pearson, Michael FCTgranted 2022-03-09cancelled 2022-04-05
Successor callsigns
Callsigns held now by people who previously held W1MFP.
No current licensee on record previously held this callsign.