Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7MRM callsign genealogy
Currently held by MATTHEWS, MICHAEL 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 W7MRM's current licensee, walking backwards.
- Wheeler, Brandon DORgranted 2010-06-25cancelled 2015-06-30
Successor callsigns
Callsigns held now by people who previously held W7MRM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7MRM, oldest first.
- MATTHEWS, MICHAEL R AZ1999-03-11 → cancelled 2011-03-12
- Wheeler, Brandon D OR2025-06-06 active