Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JDY callsign genealogy
Currently held by QUINONEZ, LOUIS A
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 K4JDY's current licensee, walking backwards.
- Young, John DKYgranted 2019-02-12cancelled 2019-07-02
Successor callsigns
Callsigns held now by people who previously held K4JDY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JDY, oldest first.
- QUINONEZ, LOUIS A FL1997-01-30 → cancelled 2009-01-31
- Young, John D OH2019-07-02 active