Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6TRK callsign genealogy
Currently held by SIVILS, TIMOTHY D
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 K6TRK's current licensee, walking backwards.
- Geniella, PeterCAgranted 2025-08-29cancelled 2025-09-20
Successor callsigns
Callsigns held now by people who previously held K6TRK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6TRK, oldest first.
- SIVILS, TIMOTHY D CA2009-12-15 → cancelled 2022-02-16
- GENIELLA, PETE CA2025-09-20 active