Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8RKZ callsign genealogy
Currently held by ZEH, ROBERT K
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 K8RKZ's current licensee, walking backwards.
- ZEH, ROBERT KOHgranted 2024-09-10cancelled 2026-08-04
Successor callsigns
Callsigns held now by people who previously held K8RKZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8RKZ, oldest first.
- ORTON, DONABEL N MI1994-10-14 → cancelled 2006-10-17
- ZEH, ROBERT K OH2026-08-04 active