Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI4NI callsign genealogy
Currently held by Ruszkowski, Roger L
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 AI4NI's current licensee, walking backwards.
- Ruszkowski, Roger LSCgranted 2001-04-25cancelled 2005-12-20
Successor callsigns
Callsigns held now by people who previously held AI4NI.
No current licensee on record previously held this callsign.