Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4NUS callsign genealogy
Currently held by Wachter, Matthew
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 K4NUS's current licensee, walking backwards.
- Wachter, MatthewCAgranted 2020-04-30cancelled 2020-05-23
Successor callsigns
Callsigns held now by people who previously held K4NUS.
No current licensee on record previously held this callsign.