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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W9UM callsign genealogy

Currently held by COMINOS, NICHOLAS G

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 W9UM's current licensee, walking backwards.

  1. WN9Ractive· E
    DEISS, MICHAEL SINgranted 2021-01-14
  2. KE9GFcancelled· E
    DEISS, MICHAEL SINgranted 1997-07-02cancelled 2001-03-20

Successor callsigns

Callsigns held now by people who previously held W9UM.

No current licensee on record previously held this callsign.

← Back to W9UM License history →