Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9WY callsign genealogy
Currently held by ZELDENRUST, JOSEPH 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 W9WY's current licensee, walking backwards.
- GIANOTTI, JOHN LINgranted 1992-06-09cancelled 2000-06-17
- N9DWVno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held W9WY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9WY, oldest first.
- ZELDENRUST, JOSEPH A IL1987-09-15 → cancelled 1999-09-16
- GIANOTTI, JOHN L IN2020-06-11 active