Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9DMS callsign genealogy
Currently held by Schmidt, Dennis M
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 W9DMS's current licensee, walking backwards.
- Schmidt, Dennis MWIgranted 2005-04-14cancelled 2006-08-18
Successor callsigns
Callsigns held now by people who previously held W9DMS.
No current licensee on record previously held this callsign.