Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF4BA callsign genealogy
Currently held by Altman, Bernard A
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 AF4BA's current licensee, walking backwards.
- Altman, Bernard AGAgranted 2020-02-12cancelled 2023-06-22
Successor callsigns
Callsigns held now by people who previously held AF4BA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AF4BA, oldest first.
- BARNHARDT SR, CHARLES H NC2007-11-20 → cancelled 2020-01-29
- Altman, Bernard A GA2023-06-22 active