Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8ZRO callsign genealogy
Currently held by Bulszewicz III, Norbert
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 W8ZRO's current licensee, walking backwards.
- Bulszewicz III, NorbertMIgranted 2008-12-10cancelled 2009-02-03
Successor callsigns
Callsigns held now by people who previously held W8ZRO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8ZRO, oldest first.
- HANDLER, WILLIAM W OH1994-09-14 → cancelled 2006-09-15
- Bulszewicz III, Norbert MI2018-11-20 active