Confidence: Medium · Source: FCC ULS · As of 2026-09-10
W2ABJ callsign genealogy
Currently held by Baczkowski, 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 W2ABJ's current licensee, walking backwards.
- Baczkowski, AndrzetNJgranted 2004-02-17cancelled 2004-04-17
Successor callsigns
Callsigns held now by people who previously held W2ABJ.
No current licensee on record previously held this callsign.