Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AC4CR callsign genealogy
Currently held by RICHARDSON, CHARLES D
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 AC4CR's current licensee, walking backwards.
- RICHARDSON, CHARLES DGAgranted 2020-01-21cancelled 2020-05-12
Successor callsigns
Callsigns held now by people who previously held AC4CR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC4CR, oldest first.
- ONEY, HAROLD G KY2004-03-12 → cancelled 2016-03-30
- RICHARDSON, CHARLES D GA2020-05-12 active