Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0WSJ callsign genealogy
Currently held by Wojcik, Jonathan S
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 W0WSJ's current licensee, walking backwards.
- Wojcik, Jonathan SCOgranted 2024-01-10cancelled 2024-02-06
Successor callsigns
Callsigns held now by people who previously held W0WSJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0WSJ, oldest first.
- LAMBERTI, BATTISTA IA2004-02-17 → cancelled 2016-05-11
- Wojcik, Jonathan S CO2024-02-06 active