Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB0OA callsign genealogy
Currently held by Mallory, Steven 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 AB0OA's current licensee, walking backwards.
- MALLORY, STEVEN DMOgranted 1999-05-19cancelled 2000-07-06
Successor callsigns
Callsigns held now by people who previously held AB0OA.
No current licensee on record previously held this callsign.