Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MBO callsign genealogy
Currently held by Bordeaux, Matthew A
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 W4MBO's current licensee, walking backwards.
- Bordeaux, Matthew AVAgranted 2021-01-13cancelled 2021-07-02
Successor callsigns
Callsigns held now by people who previously held W4MBO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4MBO, oldest first.
- Edwards Jr, Walter D NC2004-05-28 → cancelled 2016-08-16
- Bordeaux, Matthew A VA2021-07-02 active