Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0JU callsign genealogy
Currently held by Johnson, Joel 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 AC0JU's current licensee, walking backwards.
- Johnson, Joel MMNgranted 2007-03-01cancelled 2007-11-29
Successor callsigns
Callsigns held now by people who previously held AC0JU.
No current licensee on record previously held this callsign.