Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA3ES callsign genealogy
Currently held by GEURTS, GERARDUS H
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 AA3ES's current licensee, walking backwards.
- STOCKER, ERICH FMDgranted 2013-02-12cancelled 2020-03-17
Successor callsigns
Callsigns held now by people who previously held AA3ES.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA3ES, oldest first.
- GEURTS, GERARDUS H PA2003-03-18 → cancelled 2015-06-02
- STOCKER, ERICH F MD2020-03-17 active