Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3BSP callsign genealogy
Currently held by PROUDFIT, ROGER B
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 W3BSP's current licensee, walking backwards.
- PIARULLI, BRIAN SPAgranted 2020-12-23cancelled 2022-02-01
Successor callsigns
Callsigns held now by people who previously held W3BSP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3BSP, oldest first.
- PROUDFIT, ROGER B DE2004-12-22 → cancelled 2017-03-21
- PIARULLI, BRIAN S PA2022-02-01 active