Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA4SW callsign genealogy
Currently held by ELLISON, ERIC C
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 AA4SW's current licensee, walking backwards.
- CHIN, STEFAN WFLgranted 2012-12-04cancelled 2018-05-04
Successor callsigns
Callsigns held now by people who previously held AA4SW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA4SW, oldest first.
- ELLISON, ERIC C GA2006-04-04 → cancelled 2018-04-05
- CHIN, STEFAN W FL2018-05-04 active