Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC8SCS callsign genealogy
Currently held by Straley, Shannon C
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 KC8SCS's current licensee, walking backwards.
- Straley, Shannon CMIgranted 2020-08-31cancelled 2020-09-18
Successor callsigns
Callsigns held now by people who previously held KC8SCS.
- Straley, Shannon CMIgranted 2020-11-10cancelled 2026-03-31
All historical holders
Every license row we've seen with the callsign KC8SCS, oldest first.
- Mattessich, Michael G OH2001-08-30 → cancelled 2013-08-31
- Straley, Shannon C MI2020-09-18 → cancelled 2020-11-10