Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6MJ callsign genealogy
Currently held by Shoemaker Jr, Forrest M
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 K6MJ's current licensee, walking backwards.
- Shoemaker Jr, Forrest MCAgranted 2019-02-28cancelled 2019-12-17
Successor callsigns
Callsigns held now by people who previously held K6MJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6MJ, oldest first.
- MARTIN, EMIL L IA2009-04-28 → cancelled 2017-11-28
- Shoemaker Jr, Forrest M CA2019-12-17 active