Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB4DY callsign genealogy
Currently held by Yurga Jr, Daniel W
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 AB4DY's current licensee, walking backwards.
- Yurga Jr, Daniel WKYgranted 2021-02-12cancelled 2022-12-28
Successor callsigns
Callsigns held now by people who previously held AB4DY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB4DY, oldest first.
- BRENNAN, JAMES A FL1997-05-08 → cancelled 2009-05-09
- Yurga Jr, Daniel W KY2022-12-28 active