Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW4OY callsign genealogy
Currently held by Duncheskie, Stephen J
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 KW4OY's current licensee, walking backwards.
- Duncheskie, Stephen JALgranted 2012-03-23cancelled 2015-12-07
Successor callsigns
Callsigns held now by people who previously held KW4OY.
- Duncheskie, Stephen JALgranted 2026-02-10