Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7LJ callsign genealogy
Currently held by Leister, Michael R
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 AC7LJ's current licensee, walking backwards.
- Leister, Michael RWAgranted 1999-09-23cancelled 2001-02-14
Successor callsigns
Callsigns held now by people who previously held AC7LJ.
- Leister, Michael RIDgranted 2021-04-23