Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD6TKB callsign genealogy
Currently held by SVOBODA, JASON 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 KD6TKB's current licensee, walking backwards.
- Svoboda, JasonCAgranted 2019-02-04cancelled 2019-02-26
Successor callsigns
Callsigns held now by people who previously held KD6TKB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD6TKB, oldest first.
- SVOBODA, JASON M CA1993-03-16 → cancelled 2005-03-17
- Svoboda, Jason CA2019-02-26 active