Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4NRM callsign genealogy
Currently held by OCAMPO, ROGER
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 KO4NRM's current licensee, walking backwards.
- OCAMPO, ROGERFLgranted 2021-03-02cancelled 2021-03-05
Successor callsigns
Callsigns held now by people who previously held KO4NRM.
No current licensee on record previously held this callsign.