Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9QS callsign genealogy
Currently held by Green, Steven R
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 KD9QS's current licensee, walking backwards.
- Green, Steven RMDgranted 2014-06-23cancelled 2014-07-11
Successor callsigns
Callsigns held now by people who previously held KD9QS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD9QS, oldest first.
- GREEN, STEVEN R IL1994-10-24 → cancelled 2006-10-25
- Green, Steven R MD2024-04-17 active