Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1FLX callsign genealogy
Currently held by KOZIOL, JOSEPH F
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 W1FLX's current licensee, walking backwards.
- Felix, Brynn EWAgranted 2022-04-05cancelled 2022-04-26
Successor callsigns
Callsigns held now by people who previously held W1FLX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1FLX, oldest first.
- KOZIOL, JOSEPH F MA2001-11-02 → cancelled 2013-11-13
- Felix, Brynn E WA2022-04-26 active