Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB4CB callsign genealogy
Currently held by ARGUETA, MARIO R
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 AB4CB's current licensee, walking backwards.
- Hayes, AnnetteGAgranted 2024-04-23cancelled 2024-09-17
Successor callsigns
Callsigns held now by people who previously held AB4CB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB4CB, oldest first.
- ARGUETA, MARIO R FL2011-11-22 → cancelled 2023-10-03
- Hayes, Annette GA2024-09-17 active