Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6ZAD callsign genealogy
Currently held by SONG, CHEOL
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 N6ZAD's current licensee, walking backwards.
- DOMKE, ZACHARY ACAgranted 2012-10-04cancelled 2012-10-23
Successor callsigns
Callsigns held now by people who previously held N6ZAD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6ZAD, oldest first.
- SONG, CHEOL CA1990-05-22 → cancelled 2002-05-23
- DOMKE, ZACHARY A CA2023-04-26 active