Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WN8IZV callsign genealogy
Currently held by OLSZEWSKI, DONALD
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 WN8IZV's current licensee, walking backwards.
- OLSZEWSKI, DONALDMIgranted 2014-08-01cancelled 2015-10-24
Successor callsigns
Callsigns held now by people who previously held WN8IZV.
No current licensee on record previously held this callsign.