Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM6MFJ callsign genealogy
Currently held by Jones, Jeff
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 KM6MFJ's current licensee, walking backwards.
- Jones, JeffCAgranted 2016-09-23cancelled 2016-10-21
Successor callsigns
Callsigns held now by people who previously held KM6MFJ.
- Jones, Jeffrey SIDgranted 2020-07-14