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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.

  1. KQ4AJGcancelled· G
    Wright, Martin BTNgranted 2022-05-12cancelled 2022-06-01

Successor callsigns

Callsigns held now by people who previously held W4MBW.

  1. K5MBWcancelled· E
    WANGBERG, MARTIN BVAgranted 2016-12-03cancelled 2017-06-10
  2. K2OYcancelled· E
    WANGBERG, MARTIN BVAgranted 2016-04-16cancelled 2016-07-13
  3. K5MBWcancelled· E
    WANGBERG, MARTIN BVAgranted 2014-01-31cancelled 2014-02-22

All historical holders

Every license row we've seen with the callsign W4MBW, oldest first.

  • WANGBERG, MARTIN B VA
    2008-02-01 → cancelled 2014-01-31
  • WANGBERG, MARTIN B NY
    2014-02-22 → cancelled 2016-04-16
  • WANGBERG, MARTIN B VA
    2016-07-13 → cancelled 2016-12-03
  • WANGBERG Jr, MARTIN B VA
    2017-06-10 → cancelled 2019-03-08
  • Wright, Martin B TN
    2022-06-01 active