Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF4DY callsign genealogy
Currently held by Foundry Amateur Radio Club
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 AF4DY's current licensee, walking backwards.
- KD2QYVcancelledFoundry Amateur Radio ClubNYgranted 2018-11-20cancelled 2018-12-11
Successor callsigns
Callsigns held now by people who previously held AF4DY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AF4DY, oldest first.
- Mills, Fred M NC2006-05-16 → cancelled 2018-06-21
- Foundry Amateur Radio Club NY2018-12-11 active