Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG4RS callsign genealogy
Currently held by Keller, Michael
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 AG4RS's current licensee, walking backwards.
- Sellers, Russell EFLgranted 2024-10-24cancelled 2025-02-14
Successor callsigns
Callsigns held now by people who previously held AG4RS.
- Keller, MichaelVAgranted 2020-06-27
All historical holders
Every license row we've seen with the callsign AG4RS, oldest first.
- Keller, Michael VA2012-04-28 → cancelled 2020-06-27
- Sellers, Russell E FL2025-02-14 active