Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA6SDU callsign genealogy
Currently held by Alker, Kenneth B
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 KA6SDU's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KA6SDU.
- Alker, Kenneth BCAgranted 2025-02-14