Confidence: Medium · Source: FCC ULS · As of 2026-09-11
NG2Z callsign genealogy
Currently held by DUFF, WILLIAM H
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 NG2Z's current licensee, walking backwards.
- PETERSEN, ERIK MNYgranted 2009-06-18cancelled 2011-04-26
Successor callsigns
Callsigns held now by people who previously held NG2Z.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NG2Z, oldest first.
- DUFF, WILLIAM H FL1992-09-01 → cancelled 2004-09-02
- PETERSEN, ERIK M NY2021-05-04 active