Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB9FX callsign genealogy
Currently held by BARTOSZ, ANDRZEJ
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 AB9FX's current licensee, walking backwards.
- Bartosz, AndrzejILgranted 2000-12-19cancelled 2002-06-18
Successor callsigns
Callsigns held now by people who previously held AB9FX.
No current licensee on record previously held this callsign.