Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4BBQ callsign genealogy
Currently held by WILLIAMS, MARY J
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 KB4BBQ's current licensee, walking backwards.
- Focke, James TFLgranted 2016-12-01cancelled 2024-03-29
Successor callsigns
Callsigns held now by people who previously held KB4BBQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4BBQ, oldest first.
- WILLIAMS, MARY J KY2007-08-21 → cancelled 2019-11-20
- Focke, James T FL2024-03-29 active