Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1GA callsign genealogy
Currently held by Sinclair, Dale 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 AB1GA's current licensee, walking backwards.
- Ash, Gary SMAgranted 2015-02-23cancelled 2022-03-18
Successor callsigns
Callsigns held now by people who previously held AB1GA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB1GA, oldest first.
- Sinclair, Dale R MA2006-05-02 → cancelled 2018-05-03
- Ash, Gary S MA2022-03-18 active