Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB0EX callsign genealogy
Currently held by FERGUSON, ANDREW W
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 AB0EX's current licensee, walking backwards.
- FERGUSON, ANDREW WIDgranted 2019-01-30cancelled 2024-02-24
Successor callsigns
Callsigns held now by people who previously held AB0EX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB0EX, oldest first.
- FERGUSON, DOUG H MN2012-11-30 → cancelled 2021-03-19
- FERGUSON, ANDREW W ID2024-02-24 active