Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8CJS callsign genealogy
Currently held by SPIESS, CHRISTOPHER J
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 K8CJS's current licensee, walking backwards.
- Badhorn, Dawn ROHgranted 2018-05-01cancelled 2019-05-29
Successor callsigns
Callsigns held now by people who previously held K8CJS.
- SPIESS, CHRISTOPHER JOHgranted 2012-02-17cancelled 2013-07-12
All historical holders
Every license row we've seen with the callsign K8CJS, oldest first.
- SPIESS, CHRISTOPHER J OH2010-10-16 → cancelled 2012-02-17
- Badhorn, Dawn R OH2019-05-29 active