Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MBW callsign genealogy
Currently held by WANGBERG Jr, MARTIN B
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 W4MBW's current licensee, walking backwards.
- Wright, Martin BTNgranted 2022-05-12cancelled 2022-06-01
Successor callsigns
Callsigns held now by people who previously held W4MBW.
All historical holders
Every license row we've seen with the callsign W4MBW, oldest first.
- WANGBERG, MARTIN B VA2008-02-01 → cancelled 2014-01-31
- WANGBERG, MARTIN B NY2014-02-22 → cancelled 2016-04-16
- WANGBERG, MARTIN B VA2016-07-13 → cancelled 2016-12-03
- WANGBERG Jr, MARTIN B VA2017-06-10 → cancelled 2019-03-08
- Wright, Martin B TN2022-06-01 active