Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9JAB callsign genealogy
Currently held by Brabec Jr, Joe 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 W9JAB's current licensee, walking backwards.
- Brabec Jr, Joseph AILgranted 2001-12-05cancelled 2002-03-19
Successor callsigns
Callsigns held now by people who previously held W9JAB.
No current licensee on record previously held this callsign.