Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4XWX callsign genealogy
Currently held by Barr, Matthew S
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 W4XWX's current licensee, walking backwards.
- Barr, Matthew STNgranted 2021-02-12cancelled 2021-03-09
Successor callsigns
Callsigns held now by people who previously held W4XWX.
No current licensee on record previously held this callsign.