Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NZ3D callsign genealogy
Currently held by KORDOWSKI, EUGENE J
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 NZ3D's current licensee, walking backwards.
- KALUGIN, LEONIDMDgranted 2012-01-09cancelled 2012-06-23
Successor callsigns
Callsigns held now by people who previously held NZ3D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NZ3D, oldest first.
- KORDOWSKI, EUGENE J FL2000-01-20 → cancelled 2012-04-18
- KALUGIN, LEONID B MD2022-05-28 active