Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4GSC callsign genealogy
Currently held by WILLOUGHBY, BRIAN P
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 K4GSC's current licensee, walking backwards.
- WILLOUGHBY, BRIAN PSCgranted 2002-01-15cancelled 2009-04-14
Successor callsigns
Callsigns held now by people who previously held K4GSC.
No current licensee on record previously held this callsign.