Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4WSG callsign genealogy
Currently held by GRIZZARD JR, WILLIAM S
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 K4WSG's current licensee, walking backwards.
- GRIZZARD JR, WILLIAM SVAgranted 2010-12-29cancelled 2016-07-29
Successor callsigns
Callsigns held now by people who previously held K4WSG.
No current licensee on record previously held this callsign.