Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9AY callsign genealogy
Currently held by SMEDAL, CARL G
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 KD9AY's current licensee, walking backwards.
- YOUNG, ADAM LINgranted 2018-03-16cancelled 2018-12-27
Successor callsigns
Callsigns held now by people who previously held KD9AY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD9AY, oldest first.
- SMEDAL, CARL G FL1998-05-21 → cancelled 2010-05-22
- YOUNG, ADAM L IN2018-12-27 active