Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA4WSI callsign genealogy
Currently held by Mc Caskey Sr, Andrew 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 KA4WSI's current licensee, walking backwards.
- Shirkey, Chris MVAgranted 2013-05-28cancelled 2021-09-14
Successor callsigns
Callsigns held now by people who previously held KA4WSI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA4WSI, oldest first.
- Mc Caskey Sr, Andrew L VA2008-01-16 → cancelled 2020-01-17
- Shirkey, Chris M VA2021-09-14 active