Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7SLY callsign genealogy
Currently held by Yarbrough, Samual L
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 W7SLY's current licensee, walking backwards.
- Schmuhl, Benjamin BUTgranted 2026-03-25cancelled 2026-04-14
Successor callsigns
Callsigns held now by people who previously held W7SLY.
- Yarbrough, Samual LFLgranted 2021-01-26
All historical holders
Every license row we've seen with the callsign W7SLY, oldest first.
- Yarbrough, Samual L AZ2013-10-17 → cancelled 2021-01-26
- Schmuhl, Benjamin B UT2026-04-14 active