Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI6UD callsign genealogy
Currently held by Fortin, Thomas P
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 AI6UD's current licensee, walking backwards.
- Fortin, Thomas PCAgranted 2013-04-16cancelled 2016-11-30
Successor callsigns
Callsigns held now by people who previously held AI6UD.
- Fortin, Thomas PCAgranted 2016-12-20