Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB7BD callsign genealogy
Currently held by DOOLITTLE, BRENDA C
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 AB7BD's current licensee, walking backwards.
- Doolittle, Brenda CAZgranted 2019-03-14cancelled 2021-08-06
Successor callsigns
Callsigns held now by people who previously held AB7BD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB7BD, oldest first.
- GREENE, ROBERT M AZ1999-01-14 → cancelled 2006-01-26
- DOOLITTLE, BRENDA C AZ2021-08-06 active