Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA7MTD callsign genealogy
Currently held by Dubnicka, Matthew T
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 WA7MTD's current licensee, walking backwards.
- Dubnicka, Matthew TWAgranted 2017-03-15cancelled 2017-04-04
Successor callsigns
Callsigns held now by people who previously held WA7MTD.
No current licensee on record previously held this callsign.