Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KZ6SAR callsign genealogy
Currently held by Kost, Steven J
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 KZ6SAR's current licensee, walking backwards.
- Kost, Steven JCAgranted 2014-07-07cancelled 2014-11-29
Successor callsigns
Callsigns held now by people who previously held KZ6SAR.
No current licensee on record previously held this callsign.