Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1MCM callsign genealogy
Currently held by MC LAUGHLIN, MATTHEW C
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 W1MCM's current licensee, walking backwards.
- MC LAUGHLIN, MATTHEW CMAgranted 2016-02-17cancelled 2018-03-20
Successor callsigns
Callsigns held now by people who previously held W1MCM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1MCM, oldest first.
- STRIAR, JOSEPH H ME1996-12-12 → cancelled 2008-12-12
- MC LAUGHLIN, MATTHEW C FL2018-03-20 active