Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W2MMR callsign genealogy
Currently held by Clothier Sr, William J
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 W2MMR's current licensee, walking backwards.
- Clothier Sr, William JNJgranted 2014-09-17cancelled 2016-04-19
Successor callsigns
Callsigns held now by people who previously held W2MMR.
- MC GRATH, JAMES GNCgranted 2003-04-11cancelled 2006-03-24
All historical holders
Every license row we've seen with the callsign W2MMR, oldest first.
- MC GRATH, JAMES G NC1999-02-08 → cancelled 2003-04-11
- Clothier Sr, William J NJ2026-02-27 active