Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA3ACS callsign genealogy
Currently held by Simkin, Alan 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 KA3ACS's current licensee, walking backwards.
- Simkin, Alan CMDgranted 2023-03-07cancelled 2023-10-17
Successor callsigns
Callsigns held now by people who previously held KA3ACS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA3ACS, oldest first.
- STEPHENS, GEORGE H MD1995-07-13 → cancelled 2007-07-14
- Simkin, Alan C MD2023-10-17 active