Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA0L callsign genealogy
Currently held by SCHAPER, KENNETH R
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 KA0L's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KA0L.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA0L, oldest first.
- SCHAPER, KENNETH R IA2014-07-29 → cancelled 2019-10-22
- DOLL, DANIEL E KS2021-11-27 active