Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KZ4RW callsign genealogy
Currently held by Yang, Weiguo
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 KZ4RW's current licensee, walking backwards.
- Yang, WeiguoNCgranted 2024-10-23cancelled 2025-04-02
Successor callsigns
Callsigns held now by people who previously held KZ4RW.
No current licensee on record previously held this callsign.