Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AI4OI callsign genealogy
Currently held by FIGUEROA JR, CARLOS 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 AI4OI's current licensee, walking backwards.
- Figueroa Jr, Carlos MVAgranted 2000-03-17cancelled 2006-02-21
Successor callsigns
Callsigns held now by people who previously held AI4OI.
No current licensee on record previously held this callsign.