Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9QJ callsign genealogy
Currently held by Brown, Jeffrey 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 AB9QJ's current licensee, walking backwards.
- Brown, Jeffrey RINgranted 2001-11-06cancelled 2008-02-05
Successor callsigns
Callsigns held now by people who previously held AB9QJ.
- Brown, Jeffrey RINgranted 2018-05-08