Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8ACA callsign genealogy
Currently held by Cielesz, Chester 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 K8ACA's current licensee, walking backwards.
- Cielesz, Chester AMIgranted 2024-09-28cancelled 2026-04-03
Successor callsigns
Callsigns held now by people who previously held K8ACA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8ACA, oldest first.
- GUTWEIN, FRED W OH2008-02-15 → cancelled 2020-04-23
- Cielesz, Chester A MI2026-04-03 active