Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0LJ callsign genealogy
Currently held by JOHNSON, 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 AC0LJ's current licensee, walking backwards.
- Johnson, Michael DMNgranted 2006-03-17cancelled 2008-05-15
Successor callsigns
Callsigns held now by people who previously held AC0LJ.
No current licensee on record previously held this callsign.