Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3MRS callsign genealogy
Currently held by Steinbugl, Matthew R
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 K3MRS's current licensee, walking backwards.
- STEINBUGL, MATTHEW RPAgranted 2008-06-23cancelled 2010-12-07
Successor callsigns
Callsigns held now by people who previously held K3MRS.
No current licensee on record previously held this callsign.