Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ4AS callsign genealogy
Currently held by WANG, JUNCHANG
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 KZ4AS's current licensee, walking backwards.
- WANG, JUNCHANGGAgranted 2019-03-29cancelled 2023-09-11
Successor callsigns
Callsigns held now by people who previously held KZ4AS.
No current licensee on record previously held this callsign.