Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB3WU callsign genealogy
Currently held by Laurencio, Zachary M
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 AB3WU's current licensee, walking backwards.
- Laurencio, Zachary MMDgranted 2012-02-24cancelled 2015-02-25
Successor callsigns
Callsigns held now by people who previously held AB3WU.
No current licensee on record previously held this callsign.