Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6ELZ callsign genealogy
Currently held by Isterin, Sergey
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 K6ELZ's current licensee, walking backwards.
- Isterin, SergeyCAgranted 2020-05-18cancelled 2021-04-10
Successor callsigns
Callsigns held now by people who previously held K6ELZ.
- Isterin, SergeyCAgranted 2022-04-12