Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1JRZ callsign genealogy
Currently held by Zebryk Jr, John R
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 W1JRZ's current licensee, walking backwards.
- Zebryk Jr, John RMAgranted 2012-04-26cancelled 2016-03-11
Successor callsigns
Callsigns held now by people who previously held W1JRZ.
No current licensee on record previously held this callsign.