Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4DJ callsign genealogy
Currently held by Chang, Hung Yeh
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 KX4DJ's current licensee, walking backwards.
- Chang, Hung YehFLgranted 2017-04-12cancelled 2017-05-11
Successor callsigns
Callsigns held now by people who previously held KX4DJ.
No current licensee on record previously held this callsign.