Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4WPX callsign genealogy
Currently held by SCHEART REPEATER CLUB
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 KJ4WPX'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 KJ4WPX.
- KR4CHSactiveSCHEART REPEATER CLUBSCgranted 2020-06-16