Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1WM callsign genealogy
Currently held by Sutherland, Gregory T
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 W1WM's current licensee, walking backwards.
- Sutherland, Gregory TMAgranted 1998-04-16cancelled 2002-07-22
Successor callsigns
Callsigns held now by people who previously held W1WM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1WM, oldest first.
- THOMPSON, ROBERT E ME1996-05-15 → cancelled 2000-03-31
- Sutherland, Gregory T AZ2022-07-08 active