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

K9MI callsign genealogy

Currently held by BROWN, MICHAEL D

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 K9MI's current licensee, walking backwards.

  1. WG5Cactive· E
    GRAFF, STEPHEN GTXgranted 2022-08-26
  2. NQ0Factive· E
    Kopstain, DavidMOgranted 2024-10-25
  3. KF0OUFcancelled· E
    Kopstain, DavidMOgranted 2024-01-24cancelled 2024-10-25

Successor callsigns

Callsigns held now by people who previously held K9MI.

No current licensee on record previously held this callsign.