Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9MDJ callsign genealogy
Currently held by Jones, Michael D
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 K9MDJ's current licensee, walking backwards.
- Jones, Michael DWIgranted 2001-10-02cancelled 2002-12-20
Successor callsigns
Callsigns held now by people who previously held K9MDJ.
- Jones, Michael DWIgranted 2022-08-04