Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0RRS callsign genealogy
Currently held by COX, JOHN V
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 K0RRS's current licensee, walking backwards.
- Younkins, Raymond SMOgranted 2018-08-11cancelled 2022-04-19
Successor callsigns
Callsigns held now by people who previously held K0RRS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0RRS, oldest first.
- COX, JOHN V WA1997-09-16 → cancelled 2009-09-17
- Younkins, Raymond S MO2022-04-19 active