Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9DEM callsign genealogy
Currently held by Chen, Demetrius 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 W9DEM's current licensee, walking backwards.
- Chen, Demetrius GINgranted 2015-07-14cancelled 2015-08-04
Successor callsigns
Callsigns held now by people who previously held W9DEM.
No current licensee on record previously held this callsign.