Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WY3S callsign genealogy
Currently held by Cooper, Charles B
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 WY3S's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WY3S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WY3S, oldest first.
- Cooper, Charles B CT2002-03-01 → cancelled 2008-08-15
- COOPER III, CHARLES B CA2018-11-14 active