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

NS4RM callsign genealogy

Currently held by COUGHLIN, THOMAS W

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 NS4RM's current licensee, walking backwards.

  1. W7USRcancelled· A
    COUGHLIN, THOMAS WFLgranted 2022-07-19cancelled 2023-06-09
  2. W7FAQactive· E
    Zones, Mary AWAgranted 2024-03-21
  3. KF7SWXcancelled· E
    Zones, Mary AWAgranted 2011-11-30cancelled 2013-12-24

Successor callsigns

Callsigns held now by people who previously held NS4RM.

  1. NA4AIactive· A
    COUGHLIN, THOMAS WFLgranted 2023-07-14
← Back to NS4RM License history →