Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WZ0J callsign genealogy
Currently held by ZHOU, JEANETTE
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 WZ0J's current licensee, walking backwards.
- ZHOU, JEANETTECAgranted 2019-07-09cancelled 2022-02-12
Successor callsigns
Callsigns held now by people who previously held WZ0J.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WZ0J, oldest first.
- HAEFNER, JEFFREY F MN2009-12-17 → cancelled 2022-01-25
- ZHOU, JEANETTE CA2022-02-12 active