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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K5MBW callsign genealogy

Currently held by WANGBERG, 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 K5MBW's current licensee, walking backwards.

  1. W4MBWactive· G
    Wright, Martin BTNgranted 2022-06-01
  2. KQ4AJGcancelled· G
    Wright, Martin BTNgranted 2022-05-12cancelled 2022-06-01

Successor callsigns

Callsigns held now by people who previously held K5MBW.

  1. W4MBWcancelled· E
    WANGBERG Jr, MARTIN BVAgranted 2017-06-10cancelled 2019-03-08
  2. W4MBWcancelled· E
    WANGBERG, MARTIN BNYgranted 2014-02-22cancelled 2016-04-16

All historical holders

Every license row we've seen with the callsign K5MBW, oldest first.

  • WANGBERG, MARTIN B VA
    2014-01-31 → cancelled 2014-02-22
  • WANGBERG, MARTIN B VA
    2016-12-03 → cancelled 2017-06-10