Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6YSI callsign genealogy
Currently held by Scheding, William 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 K6YSI's current licensee, walking backwards.
- SCHEDING, WILLIAM LCAgranted 2018-04-10cancelled 2024-07-09
Successor callsigns
Callsigns held now by people who previously held K6YSI.
No current licensee on record previously held this callsign.