Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3XJ callsign genealogy
Currently held by ENDO, KIYOSHI
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 W3XJ's current licensee, walking backwards.
- Jones Jr, William RMDgranted 1995-03-08cancelled 2001-05-01
Successor callsigns
Callsigns held now by people who previously held W3XJ.
- ENDO, KIYOSHICAgranted 2019-02-15
All historical holders
Every license row we've seen with the callsign W3XJ, oldest first.
- Jones Jr, William R MD2021-04-20 active
- ENDO, KIYOSHI— → cancelled 1999-04-09