Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N2QPG callsign genealogy
Currently held by CHANG, GUILLERMO J
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 N2QPG's current licensee, walking backwards.
- Chang, Guillermo JNYgranted 2025-02-26cancelled 2025-03-18
Successor callsigns
Callsigns held now by people who previously held N2QPG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N2QPG, oldest first.
- CHANG, GUILLERMO J NY1992-04-21 → cancelled 2004-04-22
- Chang, Guillermo J NY2025-03-18 active