Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB5O callsign genealogy
Currently held by CALOGERO SR, SAMUEL 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 AB5O's current licensee, walking backwards.
- GOODEN, GARY WTXgranted 1997-03-20cancelled 2001-02-09
Successor callsigns
Callsigns held now by people who previously held AB5O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB5O, oldest first.
- CALOGERO SR, SAMUEL A MS1988-07-19 → cancelled 2000-07-20
- GOODEN, GARY W TX2020-11-12 active