Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4JLS callsign genealogy
Currently held by Skala, James L
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 KY4JLS's current licensee, walking backwards.
- Skala, James LKYgranted 2008-04-29cancelled 2012-03-16
Successor callsigns
Callsigns held now by people who previously held KY4JLS.
- Skala, James LKYgranted 2008-04-29cancelled 2012-03-16
All historical holders
Every license row we've seen with the callsign KY4JLS, oldest first.
- Skala, James L KY2007-03-06 → cancelled 2008-04-29
- Skala, James L KY2022-02-28 active