Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC5M callsign genealogy
Currently held by CHARLES, SETH W
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 AC5M's current licensee, walking backwards.
- CHARLES, SETH WOKgranted 2020-01-31cancelled 2020-03-14
Successor callsigns
Callsigns held now by people who previously held AC5M.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC5M, oldest first.
- DONOHUE, DANIEL D NM2008-02-07 → cancelled 2020-02-25
- CHARLES, SETH W OK2020-03-14 active