Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1OOI callsign genealogy
Currently held by Kiuru, Ronald 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 KB1OOI's current licensee, walking backwards.
- Kiuru, Ronald EMAgranted 2001-11-27cancelled 2007-02-28
Successor callsigns
Callsigns held now by people who previously held KB1OOI.
- KIURU, RONALD EMAgranted 2017-03-13