Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WM6J callsign genealogy
Currently held by Slocum, Joshua
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 WM6J's current licensee, walking backwards.
- Slocum, JoshuaCAgranted 2017-03-22cancelled 2017-04-11
Successor callsigns
Callsigns held now by people who previously held WM6J.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WM6J, oldest first.
- Bogard, Gus L CA2004-12-23 → cancelled 2017-03-22
- Slocum, Joshua CA2017-04-11 active