Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1FNX callsign genealogy
Currently held by Guzofski, Jay A
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 W1FNX's current licensee, walking backwards.
- Luchini, DonaldMAgranted 2025-08-14cancelled 2026-09-01
Successor callsigns
Callsigns held now by people who previously held W1FNX.
- Guzofski, Jay ANHgranted 2018-02-27cancelled 2023-06-02
All historical holders
Every license row we've seen with the callsign W1FNX, oldest first.
- Guzofski, Jay A NH2012-03-30 → cancelled 2018-02-27
- Luchini, Donald MA2026-09-01 active