Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK1ZZZ callsign genealogy
Currently held by ZHENG, FUZHONG
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 KK1ZZZ's current licensee, walking backwards.
- ZHENG, FUZHONGWAgranted 2021-05-24cancelled 2021-06-11
Successor callsigns
Callsigns held now by people who previously held KK1ZZZ.
No current licensee on record previously held this callsign.