Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7SJ callsign genealogy
Currently held by Carpenter, Geoffrey S
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 AD7SJ's current licensee, walking backwards.
- Carpenter, Geoffrey SORgranted 2014-04-22cancelled 2015-12-29
Successor callsigns
Callsigns held now by people who previously held AD7SJ.
- Hoffman, Barry LAZgranted 2017-12-29
All historical holders
Every license row we've seen with the callsign AD7SJ, oldest first.
- Hoffman, Barry L AZ2008-02-27 → cancelled 2008-03-25
- Carpenter, Geoffrey S OR2025-11-26 active