Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1BS callsign genealogy
Currently held by DUPUIS JR, ROY 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 KA1BS'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 KA1BS.
- DUPUIS JR, ROY LFLgranted 2022-05-03