Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0DIA callsign genealogy
Currently held by ARVIDSON, DAROLD G
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 K0DIA's current licensee, walking backwards.
- MARTIN, OlinCOgranted 2020-02-18cancelled 2020-03-10
Successor callsigns
Callsigns held now by people who previously held K0DIA.
- MARTIN, OlinCOgranted 2020-09-12
All historical holders
Every license row we've seen with the callsign K0DIA, oldest first.
- ARVIDSON, DAROLD G MN1998-06-08 → cancelled 2010-06-09
- MARTIN, Olin CO2020-03-10 → cancelled 2020-09-12