Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6BIL callsign genealogy
Currently held by Gustavson, William A
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 K6BIL's current licensee, walking backwards.
- Gustavson, William ACAgranted 2001-05-17cancelled 2010-08-10
Successor callsigns
Callsigns held now by people who previously held K6BIL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6BIL, oldest first.
- BRASIER, WILLIAM M CA1998-02-26 → cancelled 2010-02-27
- Gustavson, William A CA2020-06-26 active