Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1DB callsign genealogy
Currently held by BRIGADA, DAVID 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 AB1DB's current licensee, walking backwards.
- BRIGADA, DAVID JNHgranted 2012-04-19cancelled 2020-10-16
Successor callsigns
Callsigns held now by people who previously held AB1DB.
All historical holders
Every license row we've seen with the callsign AB1DB, oldest first.
- Brooks, Robert S CT2001-12-19 → cancelled 2004-01-31
- BRIGADA, DAVID J NH2020-10-16 → cancelled 2023-06-22