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

W9DMB callsign genealogy

Currently held by BOYD, DAVID M

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 W9DMB's current licensee, walking backwards.

  1. KD9NGYcancelled· E
    BOYD, DAVID MINgranted 2019-05-22cancelled 2023-07-25

Successor callsigns

Callsigns held now by people who previously held W9DMB.

  1. N9KGactive· E
    BURGHARDT, DOUGLAS MWIgranted 2021-04-16

All historical holders

Every license row we've seen with the callsign W9DMB, oldest first.

  • BURGHARDT, DOUGLAS M WI
    1998-08-11 → cancelled 2001-07-13
  • BOYD, DAVID M IN
    2023-07-25 active
← Back to W9DMB License history →