Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WI7Y callsign genealogy
Currently held by SOWINSKI, RONALD 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 WI7Y's current licensee, walking backwards.
- BUSHMAN, IVAN SAZgranted 2017-06-02cancelled 2020-03-07
Successor callsigns
Callsigns held now by people who previously held WI7Y.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WI7Y, oldest first.
- SOWINSKI, RONALD F WA2008-02-14 → cancelled 2020-02-15
- BUSHMAN, IVAN S AZ2020-03-07 active