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

W5MBB callsign genealogy

Currently held by Brazda, Michael 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 W5MBB's current licensee, walking backwards.

  1. KE5QJXcancelled· G
    Brazda, Michael BTXgranted 2007-09-05cancelled 2009-08-11

Successor callsigns

Callsigns held now by people who previously held W5MBB.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W5MBB, oldest first.

  • Brazda, Michael B TX
    2019-07-30 active
  • BUSICK, DONALD P
    → cancelled 1997-10-16