Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1MRS callsign genealogy
Currently held by St Pierre, Mark R
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 W1MRS's current licensee, walking backwards.
- St Pierre, Mark RMAgranted 2019-02-19cancelled 2020-01-28
Successor callsigns
Callsigns held now by people who previously held W1MRS.
No current licensee on record previously held this callsign.