Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4HQZ callsign genealogy
Currently held by THACHER, GREGORI C
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 N4HQZ's current licensee, walking backwards.
- THACHER, GREORI CNCgranted 2015-12-18cancelled 2016-01-09
Successor callsigns
Callsigns held now by people who previously held N4HQZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4HQZ, oldest first.
- THACHER, PETER D NC2007-08-02 → cancelled 2014-01-22
- THACHER, GREGORI C NC2016-01-09 active