Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9MFJ callsign genealogy
Currently held by STAHL JR, THOMAS J
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 KD9MFJ's current licensee, walking backwards.
- STAHL JR, THOMAS JINgranted 2016-01-13cancelled 2018-12-28
Successor callsigns
Callsigns held now by people who previously held KD9MFJ.
No current licensee on record previously held this callsign.