Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7DZK callsign genealogy
Currently held by KILBOURNE, 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 N7DZK's current licensee, walking backwards.
- DZEK, CHRISCAgranted 2016-01-20cancelled 2018-09-14
Successor callsigns
Callsigns held now by people who previously held N7DZK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7DZK, oldest first.
- KILBOURNE, WILLIAM H WA1994-03-01 → cancelled 2006-03-02
- DZEK, CHRIS CA2018-09-14 active