Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4KSL callsign genealogy
Currently held by DUNCANSON, DONALD A
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 W4KSL's current licensee, walking backwards.
- Strunk, Phillip MTNgranted 2015-06-10cancelled 2015-12-29
Successor callsigns
Callsigns held now by people who previously held W4KSL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4KSL, oldest first.
- DUNCANSON, DONALD A SC1987-08-11 → cancelled 1999-08-16
- Strunk, Phillip M KY2025-10-01 active