Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI9DX callsign genealogy
Currently held by Roberts, Keith C
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 AI9DX's current licensee, walking backwards.
- Roberts, Keith CWIgranted 2024-12-24cancelled 2025-03-15
Successor callsigns
Callsigns held now by people who previously held AI9DX.
No current licensee on record previously held this callsign.