Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3ZI callsign genealogy
Currently held by DiLiberto, John
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 AB3ZI's current licensee, walking backwards.
- DiLiberto, JohnPAgranted 2016-03-30cancelled 2016-06-15
Successor callsigns
Callsigns held now by people who previously held AB3ZI.
No current licensee on record previously held this callsign.