Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB7RD callsign genealogy
Currently held by Durstine, Richard W
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 AB7RD's current licensee, walking backwards.
- Durstine, Richard WAZgranted 2008-11-14cancelled 2014-06-06
Successor callsigns
Callsigns held now by people who previously held AB7RD.
- TELLER, DAVID RAZgranted 2017-08-01
All historical holders
Every license row we've seen with the callsign AB7RD, oldest first.
- Durstine, Richard W AZ2024-12-27 active
- TELLER, DAVID R— → cancelled 1997-10-16