Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC2S callsign genealogy
Currently held by DEL GRECO, JEANNIE E
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 AC2S's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AC2S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC2S, oldest first.
- DEL GRECO, JEANNIE E FL2008-03-13 → cancelled 2020-03-14
- Cho, Kyung Min IL2020-04-04 active