Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8SIS callsign genealogy
Currently held by Sisler II, Stephen M
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 W8SIS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W8SIS.
No current licensee on record previously held this callsign.