Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8SMS callsign genealogy
Currently held by Sproat, Sam
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 W8SMS's current licensee, walking backwards.
- Sproat, SamOHgranted 2010-06-22cancelled 2010-07-27
Successor callsigns
Callsigns held now by people who previously held W8SMS.
No current licensee on record previously held this callsign.