Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9KDR callsign genealogy
Currently held by Jansen, Paul S
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 K9KDR's current licensee, walking backwards.
- Miedema, Kathleen MILgranted 2020-06-01cancelled 2020-06-23
Successor callsigns
Callsigns held now by people who previously held K9KDR.
- Jansen, Paul SWIgranted 2017-05-05
All historical holders
Every license row we've seen with the callsign K9KDR, oldest first.
- Jansen, Paul S WI2003-03-22 → cancelled 2007-07-24
- Miedema, Kathleen M IL2020-06-23 active