Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6JCZ callsign genealogy
Currently held by ZHENG, JIM
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 W6JCZ's current licensee, walking backwards.
- ZHENG, JIMCAgranted 2021-04-27cancelled 2023-08-04
Successor callsigns
Callsigns held now by people who previously held W6JCZ.
No current licensee on record previously held this callsign.