Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WW4SC callsign genealogy
Currently held by Schwarz, Joseph V
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 WW4SC's current licensee, walking backwards.
- Schwarz, Joseph VSCgranted 2024-01-13cancelled 2024-02-03
Successor callsigns
Callsigns held now by people who previously held WW4SC.
- RAPE MR, KENNETH Oscgranted 2026-06-27
All historical holders
Every license row we've seen with the callsign WW4SC, oldest first.
- RAPE Mr, KENNETH O NC2008-12-05 → cancelled 2016-09-07
- Schwarz, Joseph V SC2024-02-03 active