Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4SWG callsign genealogy
Currently held by Glass, 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 W4SWG's current licensee, walking backwards.
- Glass, Steven WALgranted 2010-04-12cancelled 2011-02-23
Successor callsigns
Callsigns held now by people who previously held W4SWG.
No current licensee on record previously held this callsign.