Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4MXW callsign genealogy
Currently held by BARKER, BRET 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 K4MXW's current licensee, walking backwards.
- BARKER, BRET DFLgranted 2014-05-30cancelled 2016-10-07
Successor callsigns
Callsigns held now by people who previously held K4MXW.
No current licensee on record previously held this callsign.