Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4DB callsign genealogy
Currently held by Goodman, Thomas E
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 AI4DB's current licensee, walking backwards.
- Goodman, Thomas ETNgranted 2000-12-09cancelled 2003-12-15
Successor callsigns
Callsigns held now by people who previously held AI4DB.
No current licensee on record previously held this callsign.