Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K8YJ callsign genealogy
Currently held by KAEFF JR, CHARLES N
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 K8YJ's current licensee, walking backwards.
- KAMMER, EDWARD FOHgranted 2014-10-16cancelled 2024-08-27
Successor callsigns
Callsigns held now by people who previously held K8YJ.
- KAEFF JR, CHARLES NKYgranted 2004-04-02cancelled 2006-08-01
All historical holders
Every license row we've seen with the callsign K8YJ, oldest first.
- KAEFF JR, CHARLES N KY2003-02-11 → cancelled 2004-04-02
- COULSON, THOMAS A KY2016-05-16 → cancelled 2022-08-07
- KAMMER, EDWARD F OH2024-08-27 active