Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM6JS callsign genealogy
Currently held by Stockwell, John S
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 KM6JS's current licensee, walking backwards.
- Stockwell, John SCAgranted 2017-05-09cancelled 2018-08-17
Successor callsigns
Callsigns held now by people who previously held KM6JS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KM6JS, oldest first.
- DILLON, JOHN B CA1991-10-08 → cancelled 2003-10-09
- Stockwell, John S CA2018-08-17 active