Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC4BB callsign genealogy
Currently held by Big Bend CG
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 AC4BB's current licensee, walking backwards.
- KR4DJHcancelledBig Bend CGFLgranted 2025-04-19cancelled 2025-05-20
Successor callsigns
Callsigns held now by people who previously held AC4BB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC4BB, oldest first.
- GAITHER, BRYAN L AL2010-09-08 → cancelled 2022-12-06
- Big Bend CG FL2025-05-20 active