Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9JJB callsign genealogy
Currently held by Bush, Justin J
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 N9JJB's current licensee, walking backwards.
- Bush, Justin JINgranted 2018-02-12cancelled 2020-12-29
Successor callsigns
Callsigns held now by people who previously held N9JJB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9JJB, oldest first.
- BUSCH, WILLIAM IL2003-09-30 → cancelled 2015-12-15
- Bush, Justin J IN2020-12-29 active