Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA0SU callsign genealogy
Currently held by SCHEUERLEIN, ALEXANDER W
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 KA0SU's current licensee, walking backwards.
- SCHEUERLEIN, ALEXANDER WMNgranted 2015-06-30cancelled 2016-01-12
Successor callsigns
Callsigns held now by people who previously held KA0SU.
No current licensee on record previously held this callsign.