Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7MMD callsign genealogy
Currently held by Munro, Michael
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 W7MMD's current licensee, walking backwards.
- Munro, MichaelORgranted 2018-11-21cancelled 2021-05-22
Successor callsigns
Callsigns held now by people who previously held W7MMD.
No current licensee on record previously held this callsign.