Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NJ6Z callsign genealogy
Currently held by Cain, Donald L
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 NJ6Z's current licensee, walking backwards.
- Chen, ZihanCAgranted 2017-03-20cancelled 2018-11-02
Successor callsigns
Callsigns held now by people who previously held NJ6Z.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NJ6Z, oldest first.
- Cain, Donald L CA2006-09-26 → cancelled 2018-10-11
- Chen, Zihan CA2018-11-02 active