Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1JLZ callsign genealogy
Currently held by Zatowski, John L
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 W1JLZ's current licensee, walking backwards.
- ZATOWSKI, JOHN LCTgranted 2001-06-26cancelled 2002-11-30
Successor callsigns
Callsigns held now by people who previously held W1JLZ.
No current licensee on record previously held this callsign.