Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7MJM callsign genealogy
Currently held by McKENZIE, MATTHEW 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 K7MJM's current licensee, walking backwards.
- McKENZIE, MATTHEW JWAgranted 2010-11-09cancelled 2011-02-18
Successor callsigns
Callsigns held now by people who previously held K7MJM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7MJM, oldest first.
- MC GREGOR, MICHAEL J AZ1999-01-28 → cancelled 2011-01-29
- McKENZIE, MATTHEW J WA2021-01-20 active