Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6ZHA callsign genealogy
Currently held by Huang, Zhaorui
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 K6ZHA's current licensee, walking backwards.
- Huang, ZhaoruiCAgranted 2021-11-15cancelled 2021-12-07
Successor callsigns
Callsigns held now by people who previously held K6ZHA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6ZHA, oldest first.
- Henderson, William M CA2004-06-29 → cancelled 2016-07-06
- Huang, Zhaorui CA2021-12-07 active