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

W1MDS callsign genealogy

Currently held by SMITH, MIKE 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 W1MDS's current licensee, walking backwards.

  1. KO4MDScancelled· G
    SMITH, MIKE DFLgranted 2016-04-23cancelled 2016-11-11
  2. KM4RZNcancelled· T
    SMITH, MIKE DFLgranted 2016-03-04cancelled 2016-04-23

Successor callsigns

Callsigns held now by people who previously held W1MDS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W1MDS, oldest first.

  • SCHATZ, ALFRED MA
    1995-11-28 → cancelled 2007-11-29
  • SMITH, MIKE D FL
    2016-11-11 active
← Back to W1MDS License history →