Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4SE callsign genealogy
Currently held by Zaffi, Paolo
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 AI4SE's current licensee, walking backwards.
- Zaffi, PaoloSCgranted 2005-10-12cancelled 2006-10-10
Successor callsigns
Callsigns held now by people who previously held AI4SE.
- Zaffi, PaoloSCgranted 2016-10-06