Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO4RGS callsign genealogy
Currently held by Sherwin, Raymond
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 KO4RGS's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KO4RGS.
No current licensee on record previously held this callsign.