Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD7TFJ callsign genealogy
Currently held by WILLIS, JOSEPH M
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 KD7TFJ's current licensee, walking backwards.
- WILLIS, JOSEPH MORgranted 1994-05-17cancelled 2002-11-06
Successor callsigns
Callsigns held now by people who previously held KD7TFJ.
- Willis, Joseph MORgranted 2019-07-10