Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0IFJ callsign genealogy
Currently held by NORDSTROM, 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 K0IFJ's current licensee, walking backwards.
- Riley, ChadCOgranted 2019-10-15cancelled 2019-11-02
Successor callsigns
Callsigns held now by people who previously held K0IFJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0IFJ, oldest first.
- NORDSTROM, ROBERT E KS1997-06-12 → cancelled 2009-06-13
- Riley, Chad CO2019-11-02 active