uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

W7MLS callsign genealogy

Currently held by STEINMANN, MICHAEL L

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 W7MLS's current licensee, walking backwards.

  1. WA6MLScancelled· G
    STEINMANN, MICHAEL LIDgranted 2017-04-04cancelled 2021-06-15
  2. KM6JCMcancelled· G
    STEINMANN, MICHAEL LCAgranted 2017-03-13cancelled 2017-04-04

Successor callsigns

Callsigns held now by people who previously held W7MLS.

  1. AF7PQcancelled· E
    Simpson, Monte LWAgranted 2014-12-30cancelled 2019-11-02
  2. K2MLScancelled· G
    Simpson, Monte LWAgranted 2012-07-19cancelled 2014-12-30
  3. KE7Ucancelled· E
    SPARKS, MARVIN LORgranted 2012-04-03cancelled 2012-12-07

All historical holders

Every license row we've seen with the callsign W7MLS, oldest first.

  • SIMPSON, MONTE L WA
    1998-10-05 → cancelled 2002-09-13
  • SPARKS, MARVIN L OR
    2010-11-19 → cancelled 2012-04-03
  • Simpson, Monte L WA
    2014-12-30 → cancelled 2015-04-15
  • STEINMANN, MICHAEL L ID
    2021-06-15 active