Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4REN callsign genealogy
Currently held by Nolin, Robert E
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 KO4REN's current licensee, walking backwards.
- Nolin, Robert EFLgranted 2021-01-11cancelled 2021-02-09
Successor callsigns
Callsigns held now by people who previously held KO4REN.
No current licensee on record previously held this callsign.