Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3KSI callsign genealogy
Currently held by SAUERWINE, SHAWN D
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 W3KSI's current licensee, walking backwards.
- SAUERWINE, SHAWN DPAgranted 2025-08-30cancelled 2026-04-03
Successor callsigns
Callsigns held now by people who previously held W3KSI.
No current licensee on record previously held this callsign.