Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8NZ callsign genealogy
Currently held by KILBOURN, DUANE W
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 W8NZ's current licensee, walking backwards.
- Hahn, JacobOHgranted 2018-08-16cancelled 2019-03-19
Successor callsigns
Callsigns held now by people who previously held W8NZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8NZ, oldest first.
- KILBOURN, DUANE W MI2006-12-01 → cancelled 2019-02-28
- Hahn, Jacob M OH2019-03-19 active