Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4BQF callsign genealogy
Currently held by Williams, Brian C
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 K4BQF's current licensee, walking backwards.
- Williams, Brian CVAgranted 2023-12-23cancelled 2024-05-24
Successor callsigns
Callsigns held now by people who previously held K4BQF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4BQF, oldest first.
- SINGER JR, ROBERT R NC1996-11-04 → cancelled 2008-11-05
- Williams, Brian C VA2024-05-24 active