Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC1TD callsign genealogy
Currently held by DUPONT, MICHAEL B
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 AC1TD's current licensee, walking backwards.
- DUPONT, MICHAEL BMAgranted 2024-10-19cancelled 2024-11-21
Successor callsigns
Callsigns held now by people who previously held AC1TD.
No current licensee on record previously held this callsign.