Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6UFA callsign genealogy
Currently held by Ostapchuk, 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 K6UFA's current licensee, walking backwards.
- Ostapchuk, SergiiCAgranted 2018-08-20cancelled 2018-09-11
Successor callsigns
Callsigns held now by people who previously held K6UFA.
No current licensee on record previously held this callsign.