Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WM9DX callsign genealogy
Currently held by Robinson, Ben P
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 WM9DX's current licensee, walking backwards.
- Robinson, Ben PILgranted 2006-11-07cancelled 2007-03-10
Successor callsigns
Callsigns held now by people who previously held WM9DX.
No current licensee on record previously held this callsign.