Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6JTH callsign genealogy
Currently held by Kaminski, Colin 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 K6JTH's current licensee, walking backwards.
- Kaminski, Colin SCAgranted 2021-10-21cancelled 2021-11-09
Successor callsigns
Callsigns held now by people who previously held K6JTH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6JTH, oldest first.
- Markley, Thomas L CA2008-03-18 → cancelled 2020-04-23
- Kaminski, Colin S CA2021-11-09 active