Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3ZU callsign genealogy
Currently held by SEVAST, TERRYL 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 AB3ZU's current licensee, walking backwards.
- SEVAST, TERRYL DDEgranted 2015-09-10cancelled 2016-11-14
Successor callsigns
Callsigns held now by people who previously held AB3ZU.
No current licensee on record previously held this callsign.