Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI8T callsign genealogy
Currently held by ROSA, LORENZO
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 AI8T's current licensee, walking backwards.
- ROSA, LORENZOORgranted 2009-09-10cancelled 2012-07-06
Successor callsigns
Callsigns held now by people who previously held AI8T.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AI8T, oldest first.
- CROWTHER JR, HERBERT A FL2000-03-03 → cancelled 2012-05-30
- ROSA, LORENZO CA2022-10-25 active