Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9KPP callsign genealogy
Currently held by Jones, Thomas L
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 KD9KPP's current licensee, walking backwards.
- Jones, Thomas LWIgranted 2024-01-03cancelled 2024-02-06
Successor callsigns
Callsigns held now by people who previously held KD9KPP.
- Kopecky, Jon AWIgranted 2018-12-21
All historical holders
Every license row we've seen with the callsign KD9KPP, oldest first.
- Kopecky, Jon A WI2018-04-02 → cancelled 2018-12-21
- Jones, Thomas L WI2024-02-06 active