Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4HJ callsign genealogy
Currently held by Chin, Jun Cheng
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 KX4HJ's current licensee, walking backwards.
- Chin, Jun ChengTNgranted 2017-09-21cancelled 2017-11-29
Successor callsigns
Callsigns held now by people who previously held KX4HJ.
No current licensee on record previously held this callsign.