Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI9DX callsign genealogy
Currently held by FAST, JONATHAN 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 KI9DX's current licensee, walking backwards.
- FAST, JONATHAN GILgranted 1996-09-11cancelled 2000-04-28
Successor callsigns
Callsigns held now by people who previously held KI9DX.
No current licensee on record previously held this callsign.