Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8SJC callsign genealogy
Currently held by SOSNOWSKI, ALBIN 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 K8SJC's current licensee, walking backwards.
- KE8AWAcancelledSt Joseph County Michigan Amateur Radio ClubMIgranted 2015-04-08cancelled 2016-05-27
Successor callsigns
Callsigns held now by people who previously held K8SJC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8SJC, oldest first.
- SOSNOWSKI, ALBIN J MI1995-08-17 → cancelled 2007-08-18
- St Joseph County Michigan Amateur Radio Club MI2026-05-19 active