Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4BWW callsign genealogy
Currently held by COOK, RICHARD 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 KM4BWW's current licensee, walking backwards.
- WILLIAMS, BRIAN WFLgranted 2013-05-17cancelled 2019-07-26
Successor callsigns
Callsigns held now by people who previously held KM4BWW.
- COOK, RICHARD CFLgranted 2024-08-07
All historical holders
Every license row we've seen with the callsign KM4BWW, oldest first.
- COOK, RICHARD C FL2014-06-03 → cancelled 2014-09-26
- WILLIAMS, BRIAN W FL2019-07-26 active