Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WJ4ZW callsign genealogy
Currently held by Wielgorecki, James Z
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 WJ4ZW's current licensee, walking backwards.
- Wielgorecki, James ZFLgranted 2008-09-24cancelled 2009-11-10
Successor callsigns
Callsigns held now by people who previously held WJ4ZW.
No current licensee on record previously held this callsign.