Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5MTM callsign genealogy
Currently held by MULLIS, MICHAEL 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 K5MTM's current licensee, walking backwards.
- MULLIS, MICHAEL TOKgranted 2016-04-15cancelled 2018-10-02
Successor callsigns
Callsigns held now by people who previously held K5MTM.
- Mc Ewen, Michael TOKgranted 2017-03-17
All historical holders
Every license row we've seen with the callsign K5MTM, oldest first.
- MC EWEN, MICHAEL T OK1998-01-14 → cancelled 2006-04-01
- MULLIS, MICHAEL T OK2018-10-02 active