Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS9D callsign genealogy
Currently held by AYLOR, WILLIAM M
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 KS9D's current licensee, walking backwards.
- AYLOR, WILLIAM MINgranted 2005-08-01cancelled 2010-06-29
Successor callsigns
Callsigns held now by people who previously held KS9D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KS9D, oldest first.
- LOUGH, ROBERT T IL1997-08-27 → cancelled 2009-08-28
- AYLOR, WILLIAM M IN2020-10-21 active