Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4STJ callsign genealogy
Currently held by HOPPER, HERSCHEL 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 W4STJ's current licensee, walking backwards.
- HOPPER, DAVID CGAgranted 2015-01-29cancelled 2020-07-24
Successor callsigns
Callsigns held now by people who previously held W4STJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4STJ, oldest first.
- HOPPER, HERSCHEL C GA2007-05-15 → cancelled 2019-07-16
- HOPPER, DAVID C GA2020-07-24 active