Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WS3T callsign genealogy
Currently held by Schneider, Mark 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 WS3T's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WS3T.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WS3T, oldest first.
- Schneider, Mark L PA2011-08-10 → cancelled 2023-10-31
- Stanley, David NV2023-11-18 active