Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9UEO callsign genealogy
Currently held by Rypkema, Corin M
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 KC9UEO's current licensee, walking backwards.
- Rypkema, Corin MWIgranted 2007-04-02cancelled 2011-05-03
Successor callsigns
Callsigns held now by people who previously held KC9UEO.
- Rypkema, Corin MMAgranted 2022-03-29