Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4AZ callsign genealogy
Currently held by LACK, LOTHAR
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 AC4AZ's current licensee, walking backwards.
- WB2MNJno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AC4AZ.
No current licensee on record previously held this callsign.