Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WY5O callsign genealogy
Currently held by Toste, Eddie M
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 WY5O's current licensee, walking backwards.
- Toste, Eddie MNYgranted 2008-03-06cancelled 2008-08-26
Successor callsigns
Callsigns held now by people who previously held WY5O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WY5O, oldest first.
- PLANCHARD, CHARLES A LA1996-07-08 → cancelled 2008-07-09
- Toste, Eddie M NY2018-05-30 active