Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WM6R callsign genealogy
Currently held by THORNTON, JOHN 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 WM6R's current licensee, walking backwards.
- Brown, Rick DCAgranted 2007-01-25cancelled 2007-02-13
Successor callsigns
Callsigns held now by people who previously held WM6R.
- THORNTON, JOHN JCAgranted 2014-09-06cancelled 2017-10-20
All historical holders
Every license row we've seen with the callsign WM6R, oldest first.
- THORNTON, JOHN J CA2001-05-09 → cancelled 2004-12-03
- Brown, Rick D CA2016-11-17 active