Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1SAS callsign genealogy
Currently held by Sullivanne, Spencer A
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 W1SAS's current licensee, walking backwards.
- Sullivanne, Spencer AALgranted 2004-08-25cancelled 2004-10-19
Successor callsigns
Callsigns held now by people who previously held W1SAS.
No current licensee on record previously held this callsign.