Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8NIX callsign genealogy
Currently held by GRONKOWSKI, CASIMIR 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 W8NIX's current licensee, walking backwards.
- Anthony, NicholasOHgranted 2017-09-05cancelled 2017-09-26
Successor callsigns
Callsigns held now by people who previously held W8NIX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8NIX, oldest first.
- GRONKOWSKI, CASIMIR J MI1987-12-01 → cancelled 1999-12-02
- Anthony, Nicholas OH2017-09-26 active