Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3YI callsign genealogy
Currently held by Winfrey, David L
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 AB3YI's current licensee, walking backwards.
- Winfrey, David LMDgranted 2012-02-16cancelled 2015-12-16
Successor callsigns
Callsigns held now by people who previously held AB3YI.
No current licensee on record previously held this callsign.