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

WA5MMB callsign genealogy

Currently held by BRUMFIELD, MICHAEL 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 WA5MMB's current licensee, walking backwards.

  1. AJ7BScancelled· E
    BRUMFIELD, MICHAEL MORgranted 2017-11-28cancelled 2025-02-15
  2. W5MMBcancelled· E
    BRUMFIELD, MICHAEL MORgranted 2017-11-28cancelled 2025-01-06
  3. KI7RJAcancelled· T
    BRUMFIELD, MICHAEL MORgranted 2017-10-31cancelled 2017-11-28

Successor callsigns

Callsigns held now by people who previously held WA5MMB.

No current licensee on record previously held this callsign.