Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4RM callsign genealogy
Currently held by DiRoberto, Frank 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 AI4RM's current licensee, walking backwards.
- DiRoberto, Frank LVAgranted 2006-08-17cancelled 2006-09-11
Successor callsigns
Callsigns held now by people who previously held AI4RM.
No current licensee on record previously held this callsign.