Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AC0EJ callsign genealogy
Currently held by Treasure, Mark A
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 AC0EJ's current licensee, walking backwards.
- Treasure, Mark AIAgranted 2005-06-17cancelled 2006-04-13
Successor callsigns
Callsigns held now by people who previously held AC0EJ.
No current licensee on record previously held this callsign.