Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8ZX callsign genealogy
Currently held by OBOURN, ROBERT 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 K8ZX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K8ZX.
- WELCH, BRIAN JMIgranted 2023-01-24
All historical holders
Every license row we've seen with the callsign K8ZX, oldest first.
- WELCH, BRIAN J MI2017-03-01 → cancelled 2023-01-24
- OBOURN, ROBERT L KS2025-02-14 active