Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB2X callsign genealogy
Currently held by FROMBACH mr, RICHARD
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 AB2X's current licensee, walking backwards.
- Brenizer, CraigALgranted 2024-11-06cancelled 2025-05-20
Successor callsigns
Callsigns held now by people who previously held AB2X.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB2X, oldest first.
- FROMBACH mr, RICHARD PA2013-01-31 → cancelled 2025-04-30
- Brenizer, Craig AL2025-05-20 active