Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4AUR callsign genealogy
Currently held by EMRICH, MATTHEW 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 W4AUR's current licensee, walking backwards.
- EMRICH, MATTHEW DGAgranted 2020-09-21cancelled 2024-05-10
Successor callsigns
Callsigns held now by people who previously held W4AUR.
No current licensee on record previously held this callsign.