Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI0E callsign genealogy
Currently held by OLSON, MICHAEL D
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 KI0E's current licensee, walking backwards.
- GROSS, KIM EIDgranted 2017-09-19cancelled 2018-03-13
Successor callsigns
Callsigns held now by people who previously held KI0E.
- DUNBAR, CHAUNCEY RMSgranted 2016-02-20
All historical holders
Every license row we've seen with the callsign KI0E, oldest first.
- OLSON, MICHAEL D ND2012-02-15 → cancelled 2013-11-05
- DUNBAR, CHAUNCEY R MS2015-11-24 → cancelled 2016-02-20
- GROSS, KIM E ID2018-03-13 active