Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI4DT callsign genealogy
Currently held by THOMASSON, DANIEL 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 AI4DT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AI4DT.
No current licensee on record previously held this callsign.