Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1MPS callsign genealogy
Currently held by Shea, 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 W1MPS's current licensee, walking backwards.
- Shea, Michael PNHgranted 2015-05-22cancelled 2015-10-02
Successor callsigns
Callsigns held now by people who previously held W1MPS.
No current licensee on record previously held this callsign.