Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ9S callsign genealogy
Currently held by Temes, Robert E
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 KZ9S's current licensee, walking backwards.
- Temes, Robert EILgranted 2017-03-13cancelled 2026-08-29
Successor callsigns
Callsigns held now by people who previously held KZ9S.
- KASH, DONALD JILgranted 2024-08-10
All historical holders
Every license row we've seen with the callsign KZ9S, oldest first.
- KASH, DONALD J IL2017-01-10 → cancelled 2024-08-10
- Temes, Robert E IL2026-08-29 active