Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9BAJ callsign genealogy
Currently held by Jacobs, Bruce A
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 K9BAJ's current licensee, walking backwards.
- Jacobs, Bruce AILgranted 2004-06-10cancelled 2010-06-22
Successor callsigns
Callsigns held now by people who previously held K9BAJ.
No current licensee on record previously held this callsign.