Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6SLY callsign genealogy
Currently held by Stewart Jr, Sly
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 W6SLY's current licensee, walking backwards.
- Stewart Jr, SlyCAgranted 2017-04-03cancelled 2017-04-21
Successor callsigns
Callsigns held now by people who previously held W6SLY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6SLY, oldest first.
- SHAW, HORACE S CA1996-11-04 → cancelled 2008-11-05
- Stewart Jr, Sly CA2017-04-21 active