Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3SWG callsign genealogy
Currently held by Grimaud, Steven W
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 W3SWG's current licensee, walking backwards.
- Grimaud, Steven WMDgranted 2012-04-16cancelled 2012-07-14
Successor callsigns
Callsigns held now by people who previously held W3SWG.
No current licensee on record previously held this callsign.