Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4AG callsign genealogy
Currently held by Grubbs, Donald A
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 AC4AG's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AC4AG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC4AG, oldest first.
- VEGA JR, JUAN FL1990-11-06 → cancelled 2002-11-07
- Grubbs, Donald A KY2021-08-17 active