Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WX4DM callsign genealogy
Currently held by Marion, David S
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 WX4DM's current licensee, walking backwards.
- Marion, David SALgranted 2013-01-07cancelled 2013-03-23
Successor callsigns
Callsigns held now by people who previously held WX4DM.
No current licensee on record previously held this callsign.