Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4CH callsign genealogy
Currently held by Arnett, Jonathan G
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 AC4CH's current licensee, walking backwards.
- Arnett, Jonathan GOKgranted 2013-09-11cancelled 2021-09-18
Successor callsigns
Callsigns held now by people who previously held AC4CH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC4CH, oldest first.
- ARNETT, FRANK W TN2012-07-18 → cancelled 2019-10-10
- Arnett, Jonathan G OK2021-09-18 active