Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8GZ callsign genealogy
Currently held by HARTMAN, KAYE L
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 K8GZ's current licensee, walking backwards.
- Supenski, David JAZgranted 2019-07-17cancelled 2019-09-24
Successor callsigns
Callsigns held now by people who previously held K8GZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8GZ, oldest first.
- HARTMAN, KAYE L OH2007-08-17 → cancelled 2019-08-21
- Supenski, David J AZ2019-09-24 active