Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1DOH callsign genealogy
Currently held by KOPACZ, DAVID A
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 N1DOH's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held N1DOH.
- KOPACZ, DAVID AKYgranted 2011-02-12cancelled 2023-05-05