Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9KOR callsign genealogy
Currently held by Koranda, Chad 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 KC9KOR's current licensee, walking backwards.
- Koranda, Chad EILgranted 2020-09-22cancelled 2020-10-16
Successor callsigns
Callsigns held now by people who previously held KC9KOR.
- Koranda, Chad EILgranted 2021-08-03
All historical holders
Every license row we've seen with the callsign KC9KOR, oldest first.
- Ramsden, Kenneth W WI2006-12-19 → cancelled 2018-12-20
- Koranda, Chad E IL2020-10-16 → cancelled 2021-08-03