Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB8OJ callsign genealogy
Currently held by Thierbach, Edward E
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 AB8OJ's current licensee, walking backwards.
- Thierbach, Edward EMIgranted 2000-08-29cancelled 2002-05-21
Successor callsigns
Callsigns held now by people who previously held AB8OJ.
No current licensee on record previously held this callsign.