Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI6TEC callsign genealogy
Currently held by Cowan, Tom
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 KI6TEC's current licensee, walking backwards.
- Cowan, TomCAgranted 2017-12-13cancelled 2023-11-14
Successor callsigns
Callsigns held now by people who previously held KI6TEC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI6TEC, oldest first.
- Marshall, Tad B CA2008-09-15 → cancelled 2020-09-16
- Cowan, Tom CA2023-11-14 active