Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0SSK callsign genealogy
Currently held by Shevchenko, Sergii
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 K0SSK's current licensee, walking backwards.
- Shevchenko, SergiiCAgranted 2019-09-05cancelled 2019-10-16
Successor callsigns
Callsigns held now by people who previously held K0SSK.
No current licensee on record previously held this callsign.