Confidence: Medium · Source: FCC ULS · As of 2026-09-11
WC3SW callsign genealogy
Currently held by Shumar JR, Richard
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 WC3SW's current licensee, walking backwards.
- Shumar JR, RichardPAgranted 2020-12-23cancelled 2021-03-30
Successor callsigns
Callsigns held now by people who previously held WC3SW.
No current licensee on record previously held this callsign.