Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8FSH callsign genealogy
Currently held by Derrick, Derrin
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 K8FSH's current licensee, walking backwards.
- Derrick, DerrinMIgranted 2024-11-14cancelled 2025-02-08
Successor callsigns
Callsigns held now by people who previously held K8FSH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8FSH, oldest first.
- Fischer, Mark D OH2008-12-05 → cancelled 2020-12-08
- Derrick, Derrin MI2025-02-08 active