Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WS3P callsign genealogy
Currently held by Schubert Jr, William G
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 WS3P's current licensee, walking backwards.
- Schubert Jr, William GMDgranted 2004-11-10cancelled 2007-05-15
Successor callsigns
Callsigns held now by people who previously held WS3P.
- Serbin, Timothy WTXgranted 2012-05-15cancelled 2024-05-25
All historical holders
Every license row we've seen with the callsign WS3P, oldest first.
- Serbin, Timothy W TX2002-03-07 → cancelled 2002-05-24
- Schubert Jr, William G MD2017-03-17 active