Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8CSF callsign genealogy
Currently held by KERN, ROLAND L
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 K8CSF's current licensee, walking backwards.
- Foster, Charles SMIgranted 2010-01-26cancelled 2019-12-06
Successor callsigns
Callsigns held now by people who previously held K8CSF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8CSF, oldest first.
- KERN, ROLAND L OH1994-07-14 → cancelled 2006-07-15
- Foster, Charles S MI2019-12-06 active