Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4REC callsign genealogy
Currently held by ESTILL, AMY K
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 KD4REC's current licensee, walking backwards.
- Cooper, Ralph EKYgranted 2013-09-19cancelled 2016-12-16
Successor callsigns
Callsigns held now by people who previously held KD4REC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4REC, oldest first.
- ESTILL, AMY K KY2002-11-04 → cancelled 2014-07-22
- Cooper, Ralph E KY2016-12-16 active