Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI7YLS callsign genealogy
Currently held by THOMPSON II, KENNETH 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 KI7YLS's current licensee, walking backwards.
- THOMPSON II, KENNETH MWAgranted 2018-06-12cancelled 2021-12-10
Successor callsigns
Callsigns held now by people who previously held KI7YLS.
- THOMPSON II, KENNETH MWAgranted 2018-06-12cancelled 2021-12-10
All historical holders
Every license row we've seen with the callsign KI7YLS, oldest first.
- THOMPSON II, KENNETH M WA2018-05-24 → cancelled 2018-06-12
- THOMPSON II, KENNETH M WA2021-12-10 active