Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1DA callsign genealogy
Currently held by Galatioto, Santo 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 AB1DA's current licensee, walking backwards.
- Anderson, David RRIgranted 2020-07-10cancelled 2023-01-31
Successor callsigns
Callsigns held now by people who previously held AB1DA.
- Galatioto, Santo JCTgranted 2013-11-26cancelled 2026-03-07
All historical holders
Every license row we've seen with the callsign AB1DA, oldest first.
- Galatioto, Santo J CT2003-10-16 → cancelled 2004-01-06
- Anderson, David R RI2023-01-31 active