Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ6YOA callsign genealogy
Currently held by Hartsock Jr, Robert 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 KJ6YOA's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KJ6YOA.
- Hartsock Jr, Robert WCAgranted 2022-07-16