Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9DDX callsign genealogy
Currently held by GRAYSON, RICHARD 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 W9DDX's current licensee, walking backwards.
- Miller, Mitchell DINgranted 2016-10-06cancelled 2018-08-11
Successor callsigns
Callsigns held now by people who previously held W9DDX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9DDX, oldest first.
- GRAYSON, RICHARD R IL2003-07-08 → cancelled 2015-10-06
- Miller, Mitch D IN2018-08-11 active