Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6MFJ callsign genealogy
Currently held by RICE, WENDELL
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 K6MFJ's current licensee, walking backwards.
- Jacobson, Matthew FCAgranted 2018-02-05cancelled 2018-02-27
Successor callsigns
Callsigns held now by people who previously held K6MFJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6MFJ, oldest first.
- RICE, WENDELL CA1989-04-18 → cancelled 2001-04-19
- Jacobson, Matthew F CA2018-02-27 active