Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB4CG callsign genealogy
Currently held by Walsh, Arthur J
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 AB4CG's current licensee, walking backwards.
- Gentry, Camille BFLgranted 2025-09-04cancelled 2026-04-07
Successor callsigns
Callsigns held now by people who previously held AB4CG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB4CG, oldest first.
- Walsh, Arthur J VA2005-01-26 → cancelled 2017-04-26
- Gentry, Camille B FL2026-04-07 active