Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD4AT callsign genealogy
Currently held by MOORE, ERNEST F
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 AD4AT's current licensee, walking backwards.
- Aten III, William GFLgranted 2011-05-17cancelled 2017-04-07
Successor callsigns
Callsigns held now by people who previously held AD4AT.
- Aten III, William GFLgranted 2017-09-26
All historical holders
Every license row we've seen with the callsign AD4AT, oldest first.
- MOORE, ERNEST F TN2003-01-06 → cancelled 2015-03-03
- Aten III, William G FL2017-04-07 → cancelled 2017-09-26