Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KY4DAG callsign genealogy
Currently held by Grubbs, Donald 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 KY4DAG's current licensee, walking backwards.
- Grubbs, Donald AKYgranted 2020-06-23cancelled 2020-07-11
Successor callsigns
Callsigns held now by people who previously held KY4DAG.
- Grubbs, Donald AKYgranted 2021-08-17