Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0JFI callsign genealogy
Currently held by Turner, Sean A
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 K0JFI's current licensee, walking backwards.
- Turner, Sean AMOgranted 2025-12-12cancelled 2026-03-27
Successor callsigns
Callsigns held now by people who previously held K0JFI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0JFI, oldest first.
- SCHWARTZ, JAY M MO2013-10-17 → cancelled 2026-03-06
- Turner, Sean A MO2026-03-27 active