Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4SWG callsign genealogy
Currently held by Grage, Shawn 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 K4SWG's current licensee, walking backwards.
- Grage, Shawn WFLgranted 2011-06-03cancelled 2012-02-07
Successor callsigns
Callsigns held now by people who previously held K4SWG.
No current licensee on record previously held this callsign.