Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9DMT callsign genealogy
Currently held by TRIAS, RYAN D
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 W9DMT's current licensee, walking backwards.
- TRIAS, RYAN DCAgranted 2017-05-15cancelled 2018-04-06
Successor callsigns
Callsigns held now by people who previously held W9DMT.
No current licensee on record previously held this callsign.