Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KS4RGO callsign genealogy
Currently held by Shooster, Forrest Z
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 KS4RGO's current licensee, walking backwards.
- Shooster, Forrest ZFLgranted 2018-08-13cancelled 2018-09-28
Successor callsigns
Callsigns held now by people who previously held KS4RGO.
No current licensee on record previously held this callsign.