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

NW7BT callsign genealogy

Currently held by Thompson, William C

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 NW7BT's current licensee, walking backwards.

  1. WM7Zactive· E
    ARMSTRONG, STEVEN DUTgranted 2020-04-30
  2. KB8QPQcancelled· E
    ARMSTRONG, STEVEN DUTgranted 2004-02-25cancelled 2010-06-15

Successor callsigns

Callsigns held now by people who previously held NW7BT.

  1. WC2Tcancelled· E
    Thompson, William CWAgranted 2010-05-18cancelled 2019-04-23
← Back to NW7BT License history →