Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC3DX callsign genealogy
Currently held by Day, William L
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 AC3DX's current licensee, walking backwards.
- Day, William LMDgranted 2017-12-08cancelled 2019-01-31
Successor callsigns
Callsigns held now by people who previously held AC3DX.
No current licensee on record previously held this callsign.