Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4GPC callsign genealogy
Currently held by BRACKETT, WILLIAM C
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 K4GPC's current licensee, walking backwards.
- BRACKETT, WILLIAM CSCgranted 2012-02-06cancelled 2016-02-19
Successor callsigns
Callsigns held now by people who previously held K4GPC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4GPC, oldest first.
- Cole Jr, George P NC2001-08-28 → cancelled 2013-08-29
- BRACKETT, WILLIAM C SC2016-02-19 active