Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CFB callsign genealogy
Currently held by BYNUM, CHARLES F
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 K4CFB's current licensee, walking backwards.
- Beene, Carl FNCgranted 2017-12-20cancelled 2018-01-09
Successor callsigns
Callsigns held now by people who previously held K4CFB.
- BYNUM, CHARLES FFLgranted 2019-04-10
All historical holders
Every license row we've seen with the callsign K4CFB, oldest first.
- Beene, Carl F NC2018-01-09 active
- BYNUM, CHARLES F— → cancelled 1999-05-14