Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8TSG callsign genealogy
Currently held by SIEBERT, JASON
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 K8TSG's current licensee, walking backwards.
- SIEBERT, JASONOHgranted 2018-04-10cancelled 2018-05-04
Successor callsigns
Callsigns held now by people who previously held K8TSG.
No current licensee on record previously held this callsign.